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How to Fix Windows Store Error 0x80073cf9 - Restore Windows Update After Antivirus Install-Microsoft Teams Microphone Not Working? Try These Fixes

Updated 2026-06-13 13:08:32browser-issues
How to Fix Windows Store Error 0x80073cf9 - Restore Windows Update After Antivirus Install-Microsoft Teams Microphone Not Working? Try These Fixes
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.