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How to Fix Windows Defender Version Mismatch Error - Windows Update 502 Bad Gateway Error Fixes-Fix 'Permission Denied' in Microsoft Store

Updated 2026-06-13 14:27:09windows-fixes
How to Fix Windows Defender Version Mismatch Error - Windows Update 502 Bad Gateway Error Fixes-Fix 'Permission Denied' in Microsoft 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.