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How to Clear PowerShell Cache Completely - Fix High CPU Usage Caused by OneDrive Sync-Fix Windows Defender Can't Connect to Windows Update

Updated 2026-06-14 11:15:25cloud-software
How to Clear PowerShell Cache Completely - Fix High CPU Usage Caused by OneDrive Sync-Fix Windows Defender Can't Connect to Windows Update
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.