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Clear Windows Update Cache via Command Line - How to Stop PowerShell Crashing on Startup-Windows Defender Access Denied Error: Windows 11 Fix Guide

Updated 2026-06-13 20:10:22browser-issues
Clear Windows Update Cache via Command Line - How to Stop PowerShell Crashing on Startup-Windows Defender Access Denied Error: Windows 11 Fix Guide
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.

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