Update Windows 10 KB5017308 and KB5017315 updates released

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Microsoft has released the Windows 10 KB5017308 and KB5017315 cumulative updates for versions 21H2, version 21H1, version 20H2, and 1809 to fix security vulnerabilities and resolve bugs and performance issues.

This update is not available for Windows 10 1909 or Windows 10 2004.

List of all updates:

What's new in Windows 10 KB5017308​

After installing this update, Windows 10 20H2 will be updated to build 19042.1826, Windows 10 21H1 will be updated to build 19043.1826, and Windows 10 21H2 will be updated to build 19044.1826.

The official release notes that "This update contains miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release". However, there are several other changes from the previous optional update.

For example, Microsoft patched an issue that might cause some game installations to fail because of a licensing issue. It also fixed an issue that affects the icon colors of the list in the Search app. Another bug has been fixed where Windows might cause error 0x1E when you shut down or restart a device.
 

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Windows 10 KB5017308 causing issues with Group Policy settings​

The Windows 10 KB5017308 cumulative update released this Patch Tuesday is reportedly causing Group Policy Object (GPO) issues, according to admin reports.

According to reports shared across multiple social networks and on Microsoft's online community, GPO file operations will no longer work as they can no longer create or copy shortcuts correctly after installing KB5017308.

"Specifically, we copy a batch file into public\documents, then copy a shortcut to the current user's desktop to run it," one admin said on Reddit.
"Since the update, the icons are not transferring over for the shortcut (i.e they are blank icons now) and the batch file is actually empty when copied over."

Another one confirmed this issue on the Microsoft Community website, saying that all shortcuts created by GPO are "created empty with 0 bytes and no info where shortcut "leads" to."

While Microsoft is yet to officially acknowledge the issue and provide a fix or a workaround, multiple Windows admins have reported that un-checking the "Run in user security context" option on the affected GPOs will address the shortcut creation problems.
 
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