Fix Windows Security Auto-Start Not Working After Update - Troubleshoot Remote Desktop Module Not Found Error-Windows Defender 504 Error Fix Guide

Updated 2026-06-17 21:13:01developer-tools
Fix Windows Security Auto-Start Not Working After Update - Troubleshoot Remote Desktop Module Not Found Error-Windows Defender 504 Error Fix 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.