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Microsoft Teams, Outlook fail to launch on ARM-based Windows PCs

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Microsoft Teams, Outlook fail to launch on ARM-based Windows PCs

Microsoft Teams and Outlook are experiencing launch failures on ARM-based Windows PCs following updates released after August 2026 Patch Tuesday. The company is actively investigating and working on a resolution for the crashes affecting users on these systems.

Why it matters: ARM-based Windows PC users cannot reliably launch Teams or Outlook after recent patches, blocking core collaboration and email workflows until Microsoft releases a fix.

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Correction recorded as of .

vulnerabilities

Microsoft Teams, Outlook fail to launch on ARM-based Windows PCs

Microsoft Teams and Outlook are experiencing launch failures on ARM-based Windows PCs following updates released after August 2026 Patch Tuesday. The company is actively investigating and working on a resolution for the crashes affecting users on these systems.

Why it matters: ARM-based Windows PC users cannot reliably launch Teams or Outlook after recent patches, blocking core collaboration and email workflows until Microsoft releases a fix.

VendorsMicrosoft
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Glossary