Fix 'Turn On Windows Defender Access Denied' Error - BitLocker Service Not Available: Disk Check Guide-Troubleshooting WinRAR Extraction Errors

Updated 2026-06-13 19:35:07office-tools
Fix 'Turn On Windows Defender Access Denied' Error - BitLocker Service Not Available: Disk Check Guide-Troubleshooting WinRAR Extraction Errors
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.