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Command Prompt Version Mismatch: Practical Checklist - Windows Defender Not Opening? Here's How to Fix It-Fixing Windows Security Connection Timeout Error 0x800705b4

Updated 2026-06-13 19:33:57developer-tools
Command Prompt Version Mismatch: Practical Checklist - Windows Defender Not Opening? Here's How to Fix It-Fixing Windows Security Connection Timeout Error 0x800705b4
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.