Fix Windows Defender Real-Time Protection Greyed Out - How to Restore Firefox Sync Data on a New Profile-Safe Mode Windows Defender Hanging: Solutions

Updated 2026-06-13 12:34:47windows-fixes
Fix Windows Defender Real-Time Protection Greyed Out - How to Restore Firefox Sync Data on a New Profile-Safe Mode Windows Defender Hanging: Solutions
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.