Recorded 14 Oct 2026 at 10:19 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.
Windows known issueWindows release health
Microsoft Teams and Outlook might fail to launch on ARM-based devices
This most likely occurs on new PCs after installing the August Windows security update and does not affect other apps.
What it said
- Status
- Resolved
- Caused by
- KB5121000
- Fixed by
- KB5124012
- Windows versions
- Windows 11, version 26H1, Windows 11, version 25H2, Windows 11, version 24H2
- Status on Windows 11, version 26H1
- Resolved
- Status on Windows 11, version 25H2
- Resolved
- Status on Windows 11, version 24H2
- Resolved
- Updated by Microsoft
- 8 Sep 2026
Recorded links
What changed
First observed 14 Oct 2026No field changes in the recorded history.
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