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Firefox Not Responding: Clean Reinstall Guide - PowerShell File Locked by System Process: Fix Guide-Troubleshoot 'Command Not Found' for Windows Update Commands

Updated 2026-06-14 03:21:57windows-fixes
Firefox Not Responding: Clean Reinstall Guide - PowerShell File Locked by System Process: Fix Guide-Troubleshoot 'Command Not Found' for Windows Update Commands
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.