Microsoft releases KB5005103 update preview to fix video playback problems and OneDrive issues

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Ahead of September's Patch Tuesday, Microsoft has released a preview of the KB5005103 update for Windows 10.

This non-security update addresses a number of issues, most notably fixing a problem which prevented certain MP4 files from playing. A second key fix sees Microsoft addressing a problem that reset syncing for Microsoft OneDrive to "Known folders only" after installing an update for Windows.

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The update preview is available for Windows 10 version 1909 (specifically the Enterprise, Enterprise and Education, and IoT Enterprise editions) taking the build number up to 18363.1766. There are currently no known issues, but as this is a preview release, this could well change in the coming days as more people install it.

Sharing details of the two main problems that KB5005103 addresses, Microsoft says:

  • Updates an issue that prevents the Windows Movies and TV app from playing some videos (.mp4 files).
  • Updates an issue that resets syncing for Microsoft OneDrive to “Known folders only” after you install a Windows update. 

The company also points out a number of other key quality improvements included in this update:

  • Addresses an issue that prevents users from tracking Distributed Component Object Model (DCOM) activation failures.
  • Addresses a threading issue that might cause the Windows Remote Management (WinRM) service to stop working when it is under a high load.
  • Addresses an issue that causes the Windows Management Instrumentation (WMI) provider host process to stop working. This occurs because of an unhandled access violation that occurs when using the Desired State Configuration (DSC).
  • Addresses an issue that causes file migration between Distributed File System (DFS) paths that are stored on different volumes to fail. This issue occurs when you implement the migration using PowerShell scripts that use the Move-Item command.
  • Addresses an issue that prevents you from writing to a WMI repository after a low memory condition occurs.
  • Addresses an issue that might prevent you from minimizing an application that uses unthemed windows.
  • Addresses an issue that prevents the Windows Movies and TV app from playing .mp4 media files that contain Pixel Aspect Ration (PAR) information.
  • Addresses an issue that causes Authentication Mechanism Assurance (AMA) to stop working. This issue occurs when you migrate to Windows Server 2016 (or newer versions of Windows) and when using AMA in conjunction with certificates from Windows Hello for Business.
  • Addresses an issue that prevents Secure Launch from working on some devices.
  • Addresses an issue that prevents Code Integrity rules from working correctly when specifying Package Family Name rules in a Code Integrity policy. This issue occurs because of the incorrect handling of case-sensitive names.
  • Addresses an issue that prevents the ShellHWDetection service from starting on a Privileged Access Workstation (PAW) device and prevents you from managing BitLocker drive encryption.
  • Addresses an issue in Windows Defender Exploit Protection that prevents some Microsoft Office applications from working on machines that have certain processors.
  • Addresses an issue that causes the Input Method Editor (IME) toolbar to appear even when the Remote App is closed.
  • Addresses an issue with a critical exception that the Open File dialog fails to handle. As a result, a Microsoft Foundation Class (MFC) application unexpectedly closes.
  • Addresses an issue that might occur when you configure the policy, "Delete user profiles older than a specified number of days on system restart". If a user has been signed in for longer than the time specified in the policy, the device might unexpectedly delete profiles at startup.
  • Addresses an issue with the Microsoft OneDrive sync setting "Always keep on this device". The setting is unexpectedly reset to "Known folders only" after you install a Windows update.
  • Addresses an issue that might create duplicate built-in local accounts, such as administrator or guest account, during an in-place upgrade. This issue occurs if you previously renamed those accounts. As a result, the Local Users and Groups MMC snap-in (lusrmgr.msc) appears blank with no accounts after the upgrade. This update removes the duplicate accounts from the local Security Account Manager (SAM) database on the affected machines. If the system detected and removed duplicate accounts, it logs a Directory-Services-SAM event, with ID 16986, in the System event log.
  • Increases the default number of entries in the local security authority (LSA) Lookup Cache to improve lookup performance in high lookup volume scenarios.
  • Addresses stop error 0x1E in srv2!Smb2CheckAndInvalidateCCFFile.
  • Addresses an issue that might cause a system to stop working after a deduplication filter detects damage in a reparse point. This issue occurs because of deduplication driver changes introduced in a previous update.
  • Addresses an issue with using the robocopy command with the backup option (/B) to fix data loss. This issue occurs when the source location contains tiered Azure File Sync files or tiered Cloud Files.
  • Stops running queries against OneSettings APIs from the obsolete Storage Health feature.

The KB5005103 update preview is available to download from the Microsoft Update Catalog or via the Optional updates section of Windows Update in Settings.

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