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Quick Fix for Microsoft Teams Error Code CXA20001 - Windows Defender High Memory Usage: Error 0x80070002 Fix-How to Solve 'Failed to Start' Permission Error in Store

Updated 2026-06-14 06:15:33browser-issues
Quick Fix for Microsoft Teams Error Code CXA20001 - Windows Defender High Memory Usage: Error 0x80070002 Fix-How to Solve 'Failed to Start' Permission Error in Store
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.