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How to Clear PowerShell Cache Completely - RDP Connection Failure Caused by Windows Update-Windows 0x800b0109 Certificate Error Fix Guide

Updated 2026-06-14 18:44:06cloud-software
How to Clear PowerShell Cache Completely - RDP Connection Failure Caused by Windows Update-Windows 0x800b0109 Certificate Error 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.