Fix Remote Desktop High CPU Usage in Task Manager - Recover a Deleted Firefox Profile Folder: Step-by-Step-Fix Windows Activation Update Error 0x80070003

Updated 2026-06-13 21:59:30windows-fixes
Fix Remote Desktop High CPU Usage in Task Manager - Recover a Deleted Firefox Profile Folder: Step-by-Step-Fix Windows Activation Update Error 0x80070003
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.