Win10 Changelog List
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Windows 10 verze 2004 a Windows Server verze 2004

October 13, 2020—KB4579311 (OS Build 19041.572)

• Updates to improve security when using Microsoft Office products.

• Updates for verifying usernames and passwords.

• Updates to improve security when Windows performs basic operations.

• Addresses an issue with a possible elevation of privilege in win32k. 

• Addresses an issue with the Group Policy service that might recursively delete critical files in alphabetic order from %systemroot%\system32. This issue occurs when a policy has been configured to delete cached profiles. These file deletions might cause stop error “0x5A (CRITICAL_SERVICE_FAILED)” boot failures.

• Addresses an issue with creating null ports using the user interface. 

• Security updates to Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Fundamentals, Windows Authentication, Windows Virtualization, and Windows Kernel.

October 1, 2020—KB4577063 (OS Build 19041.546) Preview

• Adds a notification to Internet Explorer 11 that informs users about the end of support for Adobe Flash in December 2020. For more information, see KB4581051.

• Updates an issue that causes games that use spatial audio to stop working. 

• Reduces distortions and aberrations in Windows Mixed Reality head-mounted displays (HMD). 

• Ensures that new Windows Mixed Reality HMDs meet minimum specification requirements and default to a 90Hz refresh rate. 

• Adds support for certain new Windows Mixed Reality motion controllers. 

• Updates an issue in the user experience (UX) that prevents you from connecting or reconnecting to a Miracast receiver.

• Adds a notification to Internet Explorer 11 that informs users about the end of support for Adobe Flash in December 2020. For more information, see KB4581051.

• Addresses an issue with Microsoft Edge IE Mode that occurs when you enable Configure enhanced hang detection for Internet Explorer mode in Microsoft Edge. 

• Addresses an issue that, in some instances, prevents the Language Bar from appearing when the user signs in to a new session. This occurs even though the Language Bar is configured properly. 

• Addresses an issue that fails to recognize the first East Asian language character typed into a Microsoft Foundation Class Library (MFC) DataGrid. 

• Addresses an issue the prevents you from reconnecting to a previously closed session because that session is in an unrecoverable state. 

• Addresses an issue that causes games that use spatial audio to stop working. 

• Addresses an issue with the CleanupProfiles Group Policy object (GPO). After you upgrade the operating system, when you configure the CleanupProfiles GPO, it fails to remove unused user profiles. 

• Addresses an issue in which selecting I forgot my Pin from Settings>Accounts>Sign-in options fails in a Windows Hello for Business On-Premise deployment. 

• Updates 2021 time zone information for Fiji. 

• Addresses an issue that affects the Microsoft’s System Centre Operations Manager’s (SCOM) ability to monitor a customer's workload. 

• Addresses an issue that causes random line breaks when you redirect PowerShell console error output. 

• Addresses an issue with creating HTML reports using tracerpt. 

• Allows the DeviceHealthMonitoring Cloud Service Plan (CSP) to run on Windows 10 Business and Windows 10 Pro editions.

• Addresses an issue that prevents the content under HKLM\Software\Cryptography from being carried over during Windows feature updates. 

• Addresses an issue that causes an access violation in lsass.exe when a process is started using the runas command in some circumstances. 

• Addresses an issue in which Windows Defender Application Control enforces package family name rules that should be audit only. 

• Addresses an issue that displays an error that states that a smart card PIN change was not successful even though the PIN change was successful. 

• Addresses an issue that might create duplicate Foreign Security Principal directory objects for Authenticated and Interactive users in the domain partition. As a result, the original directory objects have “CNF” added to their names and are mangled. This issue occurs when you promote a new domain controller using the CriticalReplicationOnly flag. 

• Updates the configuration of Windows Hello Face recognition to work well with 940nm wavelength cameras. 

• Reduces distortions and aberrations in Windows Mixed Reality head-mounted displays (HMD). 

• Ensures that new Windows Mixed Reality HMDs meet minimum specification requirements and default to a 90Hz refresh rate. 

• Addresses an issue that causes a stop error on a Hyper-V host when a virtual machine (VM) issues a specific Small Computer System Interface (SCSI) command. 

• Addresses an issue that might cause attempts to bind a socket to a shared socket to fail. 

• Addresses an issue that might prevent applications from opening or cause other errors when applications use Windows APIs to check for internet connectivity and the network icon incorrectly displays “No internet access” in the notification area. This issue occurs if you use a group policy or local network configuration to disable active probing for the Network Connectivity Status Indicator (NCSI). This also occurs if active probing fails to use a proxy and passive probes fail to detect internet connectivity. 

• Addresses an issue that prevents Microsoft Intune from syncing on a device using the virtual private network version 2 (VPNv2) configuration service provider (CSP). 

• Suspends uploads and downloads from peers when a VPN connection is detected. 

• Addresses an issue that prevents Microsoft Internet Information Services (IIS) management tools, such as IIS Manager, from managing an ASP.NET application that has configured SameSite cookie settings in web.config. 

• Addresses an issue with ntdsutil.exe that prevents you from moving Active Directory database files. The error is, “Move file failed with source <original_full_db_path> and Destination <new_full_db_path> with error 5 (Access is denied.)” 

• Addresses an issue that incorrectly reports that Lightweight Directory Access Protocol (LDAP) sessions are unsecure in Event ID 2889. This occurs when the LDAP session is authenticated and sealed with a Simple Authentication and Security Layer (SASL) method. 

• Addresses an issue that might cause Windows 10 devices that enable Credential Guard to fail authentication requests when they use the machine certificate. 

• Restores the constructed attribute in Active Directory and Active Directory Lightweight Directory Services (AD LDS) for msDS-parentdistname. 

• Addresses an issue that causes queries against large keys on Ntds.dit to fail with the error, “MAPI_E_NOT_ENOUGH_RESOURCES.” This issue might cause users to see limited meeting room availability because the Exchange Messaging Application Programming Interface (MAPI) cannot allocate additional memory for the meeting requests. 

• Addresses an issue that intermittently generates Online Certificate Status Protocol (OSCP) Responder audit events (5125) to indicate that a request was submitted to the OCSP Responder Service. However, there is no reference to the serial number or the domain name (DN) of the issuer of the request. 

• Addresses an issue that displays strange characters before the day, month, and year fields in the output from console commands. 

• Addresses an issue that causes lsass.exe to stop working, which triggers a restart of the system. This issue occurs when invalid restart data is sent with a non-critical paged search control. 

• Addresses an issue that fails to log events 4732 and 4733 for Domain-Local group membership changes in certain scenarios. This occurs when you use the “Permissive Modify” control; for example, the Active Directory (AD) PowerShell modules use this control. 

• Addresses an issue with the Microsoft Cluster Shared Volumes File Systems (CSVFS) driver that prevents Win32 API access to SQL Server Filestream data. This occurs when the data is stored on a Cluster Shared Volume in a SQL Server failover cluster instance, which is on an Azure VM. 

• Addresses an issue that causes a deadlock when Offline Files are enabled. As a result, CscEnpDereferenceEntryInternal holds parent and child locks. 

• Addresses an issue that causes deduplication jobs to fail with stop error 0x50 when you call HsmpRecallFreeCachedExtents(). 

• Addresses an issue that causes applications stop working when they use Microsoft’s Remote Desktop sharing APIs. The breakpoint exception code is 0x80000003. 

• Removes the HTTP call to www.microsoft.com that the Remote Desktop Client (mstsc.exe) makes at sign out when using a Remote Desktop Gateway. 

• Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows. 

• Adds support for certain new Windows Mixed Reality motion controllers. 

• Addresses an issue that causes apps that use Dynamic Data Exchange (DDE) to stop responding when you attempt to close the app. 

• Adds an Azure Active Directory (AAD) Device Token that is sent to Windows Update (WU) as part of each WU scan. WU can use this token to query for membership in groups that have an AAD Device ID.

• Addresses an issue with setting the “Restrict delegation of credentials to remote servers” Group Policy with the “Restrict Credential Delegation” mode on the Remote Desktop Protocol (RDP) client. As a result, the Terminal Server service tries to use “Require Remote Credential Guard” mode first and will only use “Require Restricted Admin” if the server does not support “Require Remote Credential Guard".

• Addresses an issue in Windows Subsystem for Linux (WSL) that generates an “Element not found” error when you try to start WSL.

• Addresses an issue with certain WWAN LTE modems that might show no internet connection in the notification area after waking from sleep or hibernation. Additionally, these modems might not be able to connect to the internet.

• Addresses an issue in the user experience (UX) that prevents you from connecting or reconnecting to a Miracast receiver.

September 8, 2020—KB4571756 (OS Build 19041.508)

• Updates to improve security when using input devices (such as a mouse, keyboard, or pen).

• Updates to improve security when Windows performs basic operations.

• Updates for storing and managing files.

• Updates to improve security when using Microsoft Office products.

• Addresses an issue with a possible elevation of privilege in windowmanagement.dll. 

• Addresses a security vulnerability issue with user proxies and HTTP-based intranet servers. After installing this update, HTTP-based intranet servers cannot leverage a user proxy by default to detect updates. Scans using these servers will fail if the clients do not have a configured system proxy. If you must leverage a user proxy, you must configure the behavior using the Windows Update policy “Allow user proxy to be used as a fallback if detection using system proxy fails.” This change does not affect customers who secure their Windows Server Update Services (WSUS) servers with the Transport Layer Security (TLS) or Secure Sockets Layer (SSL) protocols. For more information, see Improving security for devices receiving updates via WSUS.

• Security updates to Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Input and Composition, Windows Media, Windows Shell, Windows Cloud Infrastructure, Windows Fundamentals, Windows Management, Windows Kernel, Windows Virtualization, Windows Storage and Filesystems, the Microsoft Scripting Engine, and the Microsoft JET Database Engine.

September 3, 2020—KB4571744 (OS Build 19041.488) Preview

• Updates an issue that might prevent ActiveX content from loading.

• Updates an issue that might cause apps that use the custom text wrapping function to stop working in certain scenarios. 

• Updates an issue to reduce the likelihood of missing fonts. 

• Updates an issue that prevents users from reducing the size of a window in some cases. 

• Updates an issue that causes the touch keyboard to close when you touch any key. 

• Provides the ability for Dolby Atmos for Headphones and DTS Headphone: X to be used in 24-bit mode on devices that support 24-bit audio.

• Updates an issue with a blurry sign in screen. 

• Updates an issue with Windows Update becoming unresponsive when checking for updates. 

• Updates an issue that causes File Explorer to stop working when you browse directories of raw images and other file types. 

• Improves the tablet experience for convertible or hybrid devices in docked scenarios. 

• Improves the user experience of the Windows Hello enrollment pages for face and fingerprint setup. 

• Updates an issue that prevents you from unlocking a device if you typed a space before the username when you first signed in to the device. 

• Updates an issue that causes applications to take a long time to open.

• Updates an issue that causes Microsoft Office applications to close unexpectedly when using a Korean IME.

• Updates time zone information for the Yukon, Canada. 

• Addresses an issue with pinned Add-ins that cause Microsoft Outlook to become unresponsive. 

• Provides the ability to sync the Microsoft Edge IE Mode unidirectional session cookie when an administrator configures the session cookie. 

• Addresses an issue with rendering PeerDist-encoded content in Internet Explorer and Microsoft Edge. 

• Addresses an issue that might prevent ActiveX content from loading. 

• Addresses an issue that displays a black screen to Windows Virtual Desktop (WVD) users when they attempt to sign in. 

• Addresses an issue that might cause apps that use the custom text wrapping function to stop working in certain scenarios. 

• Addresses an issue with Start menu apps and tiles in virtual desktop infrastructure (VDI) environments. The issue occurs after you sign in to the VDI environment a second time and use a Remote Desktop User Profile Disk in a non-persistent virtual desktop pool. 

• Addresses an issue that generates an error when printing to a document repository.

• Addresses an issue that prevents Visual Basic 6.0 (VB6) applications from using ListView in MSCOMCTL.OCX after upgrading to Windows 10, version 1903 and later. 

• Addresses a runtime error that causes VB6 to stop working when duplicate windows messages are sent to WindowProc().

• Addresses an issue that causes a stop error when the initialization of the graphics adapter fails. 

• Addresses an issue to reduce the likelihood of missing fonts. 

• Addresses an issue that prevents users from reducing the size of a window in some cases. 

• Addresses an issue that causes the touch keyboard to close when you touch any key. 

• Addresses an issue that adds an unwanted keyboard layout as the default after an upgrade or migration even if you have already removed the layout. 

• Addresses an issue the prevents applications from closing even though programming code directs them to close. 

• Addresses an issue that causes attempts to take a screenshot of a window using the PrintWindow API to fail. 

• Addresses an issue with a memory leak in ctfmon.exe that occurs when you refresh an application that has an editable box. 

• Addresses an issue that truncates a potential list of characters (candidates) when you type characters in the Simplified Chinese (Pinyin) input method editor (IME). When this happens, Chinese characters do not appear. 

• Addresses an issue that prevents the first key stroke from being recognized correctly in the DataGridView cell. 

• Addresses an issue that causes an application that uses msctf.dll to stop working, and the 0xc0000005 (Access violation) exception appears. 

• Addresses an issue with Dynamic Data Exchange (DDE) that causes a memory leak when multiple clients connect to the same server. 

• Addresses an issue that prevents Cortana Smart lighting from working as expected if you shut down the machine while Fast Shutdown is enabled. 

• Provides the ability for Dolby Atmos for Headphones and DTS Headphone: X to be used in 24-bit mode on devices that support 24-bit audio. 

• Addresses an issue that prevents the IME user dictionary from being used when leveraging folder redirection with user profiles. 

• Addresses an issue that causes Microsoft Office applications to close unexpectedly when using a Korean IME.

• Addresses an issue that displays incorrect folder properties in File Explorer when the path is longer than MAX_PATH. 

• Addresses an issue with a blurry sign in screen. 

• Addresses an issue with Windows Update becoming unresponsive when checking for updates. 

• Addresses an issue that prevents the correct lock screen from appearing when the following policies are set:

  • Policy "Interactive Logon: Do not require Ctrl+Alt+Del" set to "Disabled"

  • HKLM\SOFRWARE\Policies\Microsoft\Windows\System

  • DisableLockScreenAppNotifications = 1

  • DisableLogonBackgroundImage = 1 

• Addresses an issue that causes File Explorer to stop working when you browse directories of raw images and other file types. 

• Improves the tablet experience for convertible or hybrid devices in docked scenarios. 

• Improves the user experience of the Windows Hello enrollment pages for face and fingerprint setup. 

• Prevents accounts from a different tenant from signing in to a Surface Hub device. 

• Updates time zone information for the Yukon, Canada. 

• Addresses stop error 0xC2 in usbccgp.sys. 

• Addresses an issue that causes the Event Viewer Microsoft Management Console (MMC) to stop working when the secondary monitor is above the primary monitor. An out of bounds exception appears. 

• Addresses an issue that prevents the migration of the Windows Remote Management (WinRM) service startup type. 

• Addresses an issue with object performance counters. 

• Addresses an issue that prevents Microsoft User Experience Virtualization (UE-V) settings from roaming to enable the signature files that are used for new messages, forwarded messages, and replies. 

• Addresses an issue that prevents users from setting the REG_EXPAND_SZ keys in some automated scenarios. 

• Addresses an issue with the EnhancedAppLayerSecurity node in modern device management (MDM) that prevents its setting from being applied correctly to client devices. 

• Addresses an issue that causes a memory leak in the LsaIso.exe process when the server is under a heavy authentication load and Credential Guard is enabled. 

• Addresses an issue that might cause a delay of up to two minutes when signing in or unlocking a session on Hybrid Azure Active Directory-joined machines. 

• Addresses an issue that prevents hash signing from working correctly when using the Microsoft Platform Crypto Provider for Trusted Platform Modules (TPM). This issue might also affect networking software, such as virtual private network (VPN) applications. 

• Addresses an issue that continues to display the previous username hint in the smart card sign in box after a different user has used the machine with domain credentials. 

• Addresses an issue that causes communication with the TPM to time out and fail. 

• Addresses an issue that sometimes prevents AppLocker from running an application whose publisher rule allows it to run. 

• Addresses an issue in which AppLocker publisher rules might sometimes prevent applications from loading software modules; this can cause partial application failure. 

• Addresses an issue that causes the promotion of a server to a domain controller to fail. This occurs when the Local Security Authority Subsystem Service (LSASS) process is set as Protected Process Light (PPL). 

• Addresses an issue that prevents you from unlocking a device if you typed a space before the username when you first signed in to the device. 

• Addresses an issue that causes a system to stop working and generates a 7E stop code. 

• Addresses an issue that causes applications to take a long time to open. 

• Addresses classification failures caused by the wrong User Principal Name (UPN). 

• Addresses an issue in cluster scenarios that causes handles to .vmcx and .vmrs files to become invalid after storage failover. As a result, live migration and other virtual machine (VM) maintenance activities fail with STATUS_UNEXPECTED_NETWORK_ERROR. 

• Addresses an issue with interrupt targeting that might cause an interrupt to arrive at an incorrect processor. 

• Addresses an issue that causes delays during shutdown when running the Microsoft Keyboard Filter Service. 

• Addresses an issue that causes a machine to request a new IP address after authentication. 

• Addresses an issue that causes the Background Intelligent Transfer Service (BITS) to download data while a device is in cellular mode without explicit user permission. 

• Addresses an issue that prevents Always On VPN (AOVPN) from automatically reconnecting when resuming from Sleep or Hibernate. 

• Addresses an issue that causes AOVPN user tunnels to use an incorrect certificate. 

• Addresses an issue with AOVPN that occurs when user and device tunnels are configured to connect to the same endpoint. 

• Addresses an issue that causes VPN apps to stop working in some cases when they attempt to enumerate VPN profiles. 

• Addresses an issue that causes the Optimize Drives dialog to incorrectly report that previously optimized drives need to be optimized again. 

• Addresses an issue that fails to turn off the host memory buffer (HMB) when you force the shutdown of a device. As a result, solid-state drives (SSDs) do not delete HMB contents. 

• Addresses an issue that prevents modern applications from opening because of a race condition during automatic updates. As a result, the appx package has a reduced or zero byte file size.

• Addresses an issue that might cause a stop error (0xC00002E3) at startup. This issue occurs after installing certain Windows Updates that were released on or after April 21, 2020. 

• Addresses an issue that might cause stop error 7E in nfssvr.sys on servers running the Network File System (NFS) service. 

• Addresses an issue with Server Message Block (SMB). This issue incorrectly logs the Microsoft-Windows-SMBClient 31013 event in the Microsoft-Windows-SMBClient/Security event log of an SMB client when an SMB server returns STATUS_USER_SESSION_DELETED. This issue occurs when SMB client users or applications open multiple SMB sessions using the same set of Transmission Control Protocol (TCP) connections on the same SMB Server. This issue most likely occurs on Remote Desktop Servers. 

• Addresses an issue that causes SMB to incorrectly use the original, cached non-Continuous Available handle to a file. This handle becomes invalid after a network error or storage failover. As a result, applications fail with errors such as STATUS_UNEXPECTED_NETWORK_ERROR. 

• Addresses an issue that causes the loss of written data when an application opens a file and writes to the end of the file in a share folder.

• Addresses an issue with some apps, such as Microsoft Excel, that occurs when using the Microsoft Input Method Editor (IME) for Chinese and Japanese languages. You might receive an error, or the app might stop responding or close when you attempt to drag using the mouse. 

• Addresses an issue that causes Windows Defender Firewall components to deadlock. This might cause the system to stop responding or cause sign in or sign out to stop responding.

August 11, 2020—KB4566782 (OS Build 19041.450)

• Updates to improve security when using input devices (such as a mouse, keyboard, or pen).

• Updates to improve security when Windows performs basic operations.

• Updates for storing and managing files.

• Updates to improve security when using Internet Explorer and Microsoft Edge Legacy.

• Updates to improve security when using Microsoft Office products.

• Updates for verifying usernames and passwords.

• Addresses an issue in Universal Windows Platform (UWP) apps that allows single sign-on authentication when an app does not have the Enterprise Authentication capability. With the release of CVE-2020-1509, UWP applications might begin prompting the user for credentials. 

• Addresses an issue with printing to a local port that is configured as a Universal Naming Convention (UNC) path or a shared network printer. These ports no longer appear in Control Panel on the Ports tab of the Print Server Properties dialog box. This issue occurs after installing Windows Updates released between May 2020 and July 2020.

• Security updates to the Microsoft Scripting Engine, Internet Explorer, Windows Graphics, Microsoft Graphics Component, Windows Kernel, Windows Input and Composition, Windows Media, Windows Shell, the Windows Wallet Service, Microsoft Edge Legacy, Windows Cloud Infrastructure, Windows Authentication, the Windows AI Platform, Windows Fundamentals, Windows Storage and Filesystems, Windows Update Stack, Windows File Server and Clustering, Windows Hybrid Storage Services, Windows App Platform and Frameworks, Microsoft JET Database Engine, and Windows SQL components.

July 31, 2020—KB4568831 (OS Build 19041.423) Preview

• Updates an issue with pasting mixed content of images and text from Microsoft Word into Internet Explorer.

• Updates an issue that might cause the Magnifier to stop working in Microsoft Excel in certain scenarios. As a result, Microsoft Excel might also stop working.

• Updates an issue that might display 4K high dynamic range (HDR) content darker than expected when you configure certain non-HDR systems for HDR Streaming.

• Updates an issue that causes the Settings page to close unexpectedly, which prevents default applications from being set up properly.

• Updates an issue that prevents some applications from printing to network printers.

• Updates an issue that might prevent internet connectivity on some cellular modems after upgrading to Windows 10, version 2004.

• Updates an issue that prevents family safety features, such as time limits and activity reporting, from working on ARM64 devices.

• Addresses an issue that prevents you from using sharing functionality in Microsoft Office. This occurs when Conditional Access is enabled.

• Addresses an issue that occurs when a third-party application loads hidden tabs into Internet Options.

• Addresses an issue in Microsoft Edge IE mode that occurs when you open multiple documents from a SharePoint site.

• Addresses an issue in Microsoft Edge IE mode that occurs when you browse using anchor links.

• Addresses an issue with pasting mixed content of images and text from Microsoft Word into Internet Explorer.

• Addresses an issue that might cause Microsoft browsers to incorrectly bypass proxy servers.

• Addresses an issue in the Windows Push Notification (WNS) service that prevents you from selecting a virtual private network (VPN) interface to make outbound connections. As a result, you lose connectivity with the WNS service when forced tunneling is used.

• Addresses an issue that might cause the Magnifier to stop working in Microsoft Excel in certain scenarios. As a result, Microsoft Excel might also stop working.

• Addresses an issue that prevents you from installing some .msi apps. This occurs when a device is managed by a Group Policy that redirects the AppData folder to a network folder.

• Addresses an issue that might display 4K high dynamic range (HDR) content darker than expected when you configure certain non-HDR systems for HDR Streaming.

• Addresses an issue that causes new child windows to flicker and appear as white squares on server devices that are configured for stark visual contrast.

• Addresses an issue that causes the Settings page to close unexpectedly, which prevents default applications from being set up properly.

• Addresses an issue that causes all open Universal Windows Platform (UWP) apps to close unexpectedly. This occurs when their installer calls the Restart Manager to restart File Explorer (explorer.exe).

• Addresses an issue that prevents Windows 8.1 apps from projecting to a secondary display when those apps use the StartProjectingAsync API.

• Addresses an issue that prevents family safety features, such as time limits and activity reporting, from working on ARM64 devices.

• Addresses an issue with File Explorer’s preview of .msg files when Microsoft Outlook 64-bit is installed.

• Addresses an issue that causes a KERNEL_SECURITY_CHECK_FAILURE (139) stop error when Windows resumes from Sleep and turns on certain Bluetooth headsets.

• Addresses an issue that might prevent certain display driver reset utilities from properly reinstalling the same driver on the system.

• Addresses a reliability issue in WDF01000.sys.

• Addresses an issue that causes memory leaks when an application calls the CryptCATAdminCalcHashFromFileHandle() function. The leaked memory is reclaimed when the application closes.

• Improves support for non-ASCII file paths for Microsoft Defender Advanced Threat Protection (ATP) Auto Incident Response (IR).

• Addresses an issue that prevents some machines from automatically going into Sleep mode under certain circumstances because of Microsoft Defender ATP Auto IR.

• Addresses an issue that prevents some machines from running Microsoft Defender ATP Threat & Vulnerability Management successfully.

• Addresses an issue that prevents Microsoft Defender ATP from applying file exclusions in some cases, which leads to application compatibility issues.

• Addresses an issue in Microsoft Defender ATP that prevents some machines from reporting the installed applications to Threat & Vulnerability Management.

• Addresses an issue that causes automatic investigations to fail in Microsoft Defender ATP.

• Improves Microsoft Defender ATP's ability to identify malicious code injection activities.

• Addresses an issue that prevents some applications from printing to network printers.

• Addresses an issue that might cause a printer to be a hidden device in Device Manager after a restart.

• Addresses an issue that might cause the Print Management console to display script errors when you enable the Extended View option.

• Addresses an issue that causes printing to fail in certain scenarios.

• Addresses an issue that might prevent a Windows 10 device from reaching the internet when using a wireless wide area network (WWAN) LTE modem. However, the Network Connectivity Status Indicator (NCSI) in the notification area might still indicate that you are connected to the internet.

• Addresses an issue that might prevent internet connectivity on some cellular modems after upgrading to Windows 10, version 2004.

• Addresses an issue that causes telephony applications to lose the first four digits.

• Addresses an issue with in-memory parity bitmaps that can cause data integrity issues on Parity Storage Spaces.

• Addresses an issue that prevents the creation of a storage pool using Manage Storage Spaces in Control panel.

• Addresses an issue that might cause the Microsoft Remote Assistance process (msra.exe) to stop working when a user is receiving assistance during a computer session. The error is 0xc0000005 or 0xc0000409.

July 14, 2020—KB4565503 (OS Build 19041.388)

• Improves security in the Microsoft Store.

• Updates to improve security when using input devices (such as a mouse, keyboard, or stylus).

• Updates to improve security when Windows performs basic operations.

• Updates for storing and managing files.

• Updates an issue that might cause certain games and applications to have visual distortion when resizing in windowed mode or switching from full screen to window mode. 

• Updates to improve security when using Internet Explorer and Microsoft Edge Legacy.

• Updates an issue that might prevent some applications from printing documents that contain graphics or large files.

• Updates an issue that might prevent you from connecting to OneDrive using the OneDrive app.

• Addresses an issue in certain apps that use the ImeMode property to control Input Method Editor (IME) mode in Windows 10, version 2004 (the May 2020 Update). For example, this issue prevents input mode from automatically switching to Full-width Katakana mode, Full-width Alphanumeric mode, or Full-width Hiragana mode. For more information, see KB4564002 and the blog post, Getting the May 2020 Update Ready for Release - UPDATED.

• Addresses an issue that might prevent you from using PowerShell to change the system locale on Server Core platforms.

• Addresses an issue that might cause certain games and applications to have visual distortion when resizing in windowed mode or switching from full screen to window mode. 

• Addresses an issue that might cause lsass.exe to fail with the error message, “A critical system process, C:\WINDOWS\system32\lsass.exe, failed with status code c0000008. The machine must now be restarted."

• Addresses an issue that might prevent some applications from printing documents that contain graphics or large files after installing Windows Updates released June 9, 2020.

• Addresses an issue that might prevent you from connecting to OneDrive using the OneDrive app. This issue occurs on some older devices or on devices that have older apps, which use legacy file system filter drivers. As a result, this might prevent these devices from downloading new files or opening previously synced or downloaded files.

• Security updates to the Microsoft Scripting Engine, Windows App Platform and Frameworks, the Microsoft Store, Windows Graphics, Windows Input and Composition, Windows Media, Windows Shell, Windows Fundamentals, Windows Management, Windows Kernel, Windows Hybrid Cloud Networking, Windows Storage and Filesystems, Windows Update Stack, Windows MSXML, Windows File Server and Clustering, Windows Remote Desktop, Internet Explorer, Microsoft Edge Legacy, and the Microsoft JET Database Engine.

June 18, 2020—KB4567523 (OS Build 19041.331)

• Updates an issue that might prevent certain printers from printing, generate print errors, or cause apps and print spoolers to close unexpectedly. 

• Addresses an issue that might prevent certain printers from printing. The print spooler might generate an error or close unexpectedly when attempting to print, and no output will come from the affected printer. You might also encounter issues with the apps you are attempting to print from, such as receiving an error, or the app might close unexpectedly. This issue might also affect software-based printers, such as when printing to PDF.

June 9, 2020—KB4557957 (OS Build 19041.329)

• Updates an issue that prevents you from using some voice commands in Windows Mixed Reality when the default Windows language is Canadian or Australian English.

• Improves the reliability of the keywords used for voice assistants, including Cortana.

• Updates to improve security when using Internet Explorer and Microsoft Edge.

• Updates to improve security when Windows performs basic operations.

• Updates to improve security when using Microsoft Office products.

• Updates to improve security when using external devices (such as game controllers, printers, and web cameras) and input devices (such as a mouse, keyboard, or stylus).

• Improves security in Microsoft Xbox and the Microsoft Store.

• Updates for verifying usernames and passwords.

• Updates for storing and managing files.

• Optimizes the touch experience when you detach the keyboard.

• Addresses an issue that prevents users from updating .msi files from a network folder. 

• Addresses an issue that prevents you from using some voice commands in Windows Mixed Reality when the preferred Windows display language is English (Canada) or English (Australia). 

• Improves the reliability of voice assistants that use Windows voice activation (Settings > Privacy > Voice Activation) for keywords. 

• Improves the reliability of Cortana's voice activation when using the “Cortana” keyword on devices that support low-power keywords. 

• Optimizes the touch experience and keeps the familiar desktop experience when you detach the keyboard.

• Addresses an issue in which the Deployment Image Servicing and Management (DISM.exe) tool might incorrectly report that damage is still present after using the command /restorehealth. This can occur even when the damage has been repaired.

• Addresses a security issue described in CVE-2018-0886 by adding support for the “Encryption Oracle Remediation” policy setting and changing the default value from Vulnerable to Mitigated. For more information about how this might affect your environment if you are using Remote Desktop, see KB4093492.

• Security updates to the Microsoft Scripting Engine, Microsoft Edge, Internet Explorer, Windows App Platform and Frameworks, Windows Media, Windows Kernel, Microsoft Graphics Component, Windows Input and Composition, Windows Shell, Windows Silicon Platform, Microsoft Xbox, the Microsoft Store, Windows Cloud Infrastructure, Windows Fundamentals, Windows Management, Windows Authentication, Windows Cryptography, Microsoft HoloLens, Windows Virtualization, Windows Peripherals, Windows Storage and Filesystems, Windows File Server and Clustering, Windows Hybrid Storage Services, the Microsoft JET Database Engine, and the Windows Update Stack.