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Fix PowerShell Version Mismatch with Azure Modules - How to Fix Outlook Blank Screen from Add-Ins-Port Already Allocated Error in Microsoft Store After Update

Updated 2026-06-15 02:57:13developer-tools
Fix PowerShell Version Mismatch with Azure Modules - How to Fix Outlook Blank Screen from Add-Ins-Port Already Allocated Error in Microsoft Store After Update
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.