Fix 'Remote Desktop Path Not Found' (mstsc) Error - Resolve Port Already in Use Errors from Windows Defender-Windows Defender Version Sync Error Fix

Updated 2026-06-13 23:06:39cloud-software
Fix 'Remote Desktop Path Not Found' (mstsc) Error - Resolve Port Already in Use Errors from Windows Defender-Windows Defender Version Sync Error Fix
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.