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.
Microsoft fixed a known Windows 11 issue that caused black screens after sign-in, delayed desktop loading, and Explorer crashes following updates released since August 2026. The problem mainly affects Azure Virtual Desktop hosts using FSLogix. Fixes shipped in the October 13, 2026 cumulative updates; users who cannot patch can start explorer.exe from Task Manager or apply Known Issue Rollback group policies KB5124006 or KB5124010. Microsoft separately resolved Always On VPN failures tied to September updates and warned of Remote Desktop failures for non-admin users when Administrator protection is enabled.
- Bug mainly affects Azure Virtual Desktop hosts using FSLogix.
- October 13, 2026 cumulative updates resolve the black-screen issue.
- Workaround is launching explorer.exe, or deploying Known Issue Rollback policies.
- Microsoft also addressed September Always On VPN connection failures.
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- · 1d agoMicrosoft fixes bug causing Windows black screens, Explorer crashes
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Microsoft patched a Windows 11 bug that black-screens desktops and crashes Explorer, mainly on Azure Virtual Desktop with FSLogix.
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