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Fixing Microsoft Store Version Mismatch Sync Issues - Windows Update Stuck Error 0x80070643 Guide-Resolve Windows Security Proxy Server Error After Update

Updated 2026-06-15 09:49:17windows-fixes
Fixing Microsoft Store Version Mismatch Sync Issues - Windows Update Stuck Error 0x80070643 Guide-Resolve Windows Security Proxy Server Error 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.