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Fixing Command Prompt Version Mismatch Errors - Fix Windows Store Error 0x80073cf9-Fix Windows Defender Service Not Starting Error

Updated 2026-06-17 06:57:35cloud-software
Fixing Command Prompt Version Mismatch Errors - Fix Windows Store Error 0x80073cf9-Fix Windows Defender Service Not Starting Error
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.