Fix Windows Defender Service Configuration Corrupted - Fix Windows Defender Blank Screen in Safe Mode-WSL Ubuntu Internet Lost After Windows Update

Updated 2026-06-13 14:21:06security-tools
Fix Windows Defender Service Configuration Corrupted - Fix Windows Defender Blank Screen in Safe Mode-WSL Ubuntu Internet Lost After Windows Update
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.