Fix Windows Update Configuration Permission Denied Error - Check Which Application Is Using Remote Desktop Port (3389)-Troubleshoot Windows Security App on Mac

Updated 2026-06-18 14:10:45browser-issues
Fix Windows Update Configuration Permission Denied Error - Check Which Application Is Using Remote Desktop Port (3389)-Troubleshoot Windows Security App on Mac
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.