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vulnerabilities
Microsoft fixes Teams, Outlook launch failures on ARM Windows PCs
Microsoft resolved a bug that blocked Teams and Outlook from launching on ARM-based Windows devices following updates distributed after August 2026 Patch Tuesday. The issue affected users who installed these patches on ARM-architecture systems.
Why it matters: Organizations running Teams or Outlook on ARM-based Windows PCs need to verify the fix resolves their launch failures and plan redeployment or user communication accordingly.
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