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Fix PowerShell Not Launching at System Startup - Windows Update Connection Refused Error After Network Reset-Fix Windows Defender Service Not Starting in Windows 11

Updated 2026-06-13 19:22:50macos-help
Fix PowerShell Not Launching at System Startup - Windows Update Connection Refused Error After Network Reset-Fix Windows Defender Service Not Starting in Windows 11
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.