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Fix Windows Update Version Mismatch Error - How to Fix 502 Bad Gateway in Task Scheduler-Checklist for Fixing Windows Defender Dependency Conflict

Updated 2026-06-13 20:14:43windows-fixes
Fix Windows Update Version Mismatch Error - How to Fix 502 Bad Gateway in Task Scheduler-Checklist for Fixing Windows Defender Dependency Conflict
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.