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5 published records · 2 unresolved or partially fixed · 3 resolved
Selective coverage, including historical resolutions. A match is a documented possibility, not a diagnosis of your device.
5 published records
Mitigated Tracked software issue
Some Windows 11 devices fail to load the desktop after sign-in following KB5120998 or later updates. Microsoft primarily observed this on Azure Virtual Desktop hosts using FSLogix. Workarounds are documented; a full resolution remains pending in the reviewed vendor entry.
Windows 11 24H2 · KB5120998; Windows 11 25H2 · KB5120998; Windows 11 26H1; Windows 11 26H2
No update fix is mapped in this record for the selected environment. Check the version-specific instructions; an affected version does not establish that the linked fixing KB applies.
Mitigated Tracked software issue
Microsoft tracks a USB Audio Class 1.0 failure affecting startup, sound and controls. The current vendor state is mitigated. On Windows 11 24H2/25H2, KB5129195 fixes the 8-channel/3D audio subset; it does not establish that Code 10 or every no-sound symptom is resolved.
15 documented versions across Windows 11, Windows 10, Windows Server · Affected environments
Recorded update fix: Partial — remaining symptoms unresolved · Windows 11 24H2, Windows 11 25H2 · Check instructions
No update fix is mapped in this record for the selected environment. Check the version-specific instructions; an affected version does not establish that the linked fixing KB applies.
Resolved Resolution recorded 2026-09-08
Microsoft confirmed launch failures or unexpected exits in Teams and the new Outlook on ARM devices after the August 2026 security update. New or freshly imaged PCs without Store updates are more likely to be affected. Windows 11 24H2/25H2 updates from KB5124008 onward resolve this documented issue.
Windows 11 26H1; Windows 11 25H2 · KB5121003; Windows 11 24H2 · KB5121003
Recorded update fix: Documented symptom resolution · Windows 11 24H2, Windows 11 25H2 · Check instructions
No update fix is mapped in this record for the selected environment. Check the version-specific instructions; an affected version does not establish that the linked fixing KB applies.
Resolved Resolution recorded 2026-09-14
Microsoft confirmed a Plan9 host-folder sharing failure in HCS-managed Linux VMs after the September 2026 Windows security update. Claude Cowork and WSL are named examples. For Windows 11 24H2/25H2, KB5129195 and subsequent updates resolve the issue; ordinary Hyper-V VMs without Plan9 are outside this documented scope.
6 documented versions across Windows 11, Windows 10 · Affected environments
Recorded update fix: Documented symptom resolution · Windows 11 24H2, Windows 11 25H2 · Check instructions
No update fix is mapped in this record for the selected environment. Check the version-specific instructions; an affected version does not establish that the linked fixing KB applies.
Resolved Resolution recorded 2025-09-09
Microsoft documented uneven NDI audio/video after KB5063878, including in OBS and NDI Tools. The Windows 11 24H2 fix is KB5065426 or a later cumulative update; use the latest applicable update for your device.
Windows 11 24H2 · KB5063878; Windows 10 22H2; Windows 10 21H2
Recorded update fix: Documented symptom resolution · Windows 11 24H2 · Check instructions
No update fix is mapped in this record for the selected environment. Check the version-specific instructions; an affected version does not establish that the linked fixing KB applies.
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