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Fix Windows Defender Proxy Error Sync Issue - Fix Error 0x80070020 When Opening Files in Windows Terminal-How to Resolve OneDrive Version Mismatch After Update

Updated 2026-06-14 12:19:28windows-fixes
Fix Windows Defender Proxy Error Sync Issue - Fix Error 0x80070020 When Opening Files in Windows Terminal-How to Resolve OneDrive Version Mismatch 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.