Microsoft fixes Smart App Control broken by October update
After KB5127648, the feature stays grayed out on Windows 11 24H2 and later if it was off; October 28 updates restore it.
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10 stories, newest first · one card per story
Stories tagged #known-issue
Microsoft fixes bug causing Windows black screens, Explorer crashes
Microsoft patched a Windows 11 bug that black-screens desktops and crashes Explorer, mainly on Azure Virtual Desktop with FSLogix.
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Microsoft fixes VPN issues caused by September Windows updates
Microsoft's October updates fix Always On VPN failures on Windows 11 caused by September 2026 patches.
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Microsoft: Recent Windows updates cause desktop loading issues
Microsoft confirms recent Windows updates can leave Azure Virtual Desktop sessions stuck on a black screen.
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Microsoft fixes broken Excel copy and paste for all Office users
Microsoft fixed Excel copy-and-paste failures caused by September 2026 Office security updates.
Microsoft Confirms KB5002914 Update Breaks Copy and Paste on Excel
Microsoft confirms KB5002914 Excel security update silently breaks copy-paste in Excel 2016-2024, forcing admins to choose between usability and security fixes.
Microsoft confirms KB5002914 Excel update breaks copy and paste
Microsoft confirms KB5002914 Office security update silently breaks copy-paste, autofill, and formula dragging in Excel 2016 through 2024.
Microsoft: September updates cause RDS failures on Windows Server
Microsoft confirms September 2026 Patch Tuesday updates break Remote Desktop Services on Windows Server 2012+; Group Policy mitigations and rollback workarounds available.
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August updates trigger 0xc0000409 errors on Windows Server 2016
Microsoft says the August 2026 security update causes recurring CompatTelRunner.exe 0xc0000409 crashes on Windows Server 2016 with Compatibility Appraiser enabled; no functional impact.
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Microsoft: Windows Server 2025 changes causing app crashes
Microsoft warns Windows Server 2025 memory-management changes crash AWE apps, including SQL Server with Lock Pages in Memory; disable LPIM as workaround.
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