How to Fix Microsoft Store Cache Clear Not Working - How to Get Windows Security Service Running Again-Invoke-WebRequest 504 Error Workaround Guide

Updated 2026-06-14 20:16:12backup-recovery
How to Fix Microsoft Store Cache Clear Not Working - How to Get Windows Security Service Running Again-Invoke-WebRequest 504 Error Workaround Guide
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.