How to Fix Windows Security Blank Screen Issue - Group Policy Causing Defender Token Expired-Troubleshooting BitLocker Network Unlock Error 0x80070035

Updated 2026-06-13 19:36:04windows-fixes
How to Fix Windows Security Blank Screen Issue - Group Policy Causing Defender Token Expired-Troubleshooting BitLocker Network Unlock Error 0x80070035
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.