Fix Windows Security Not Starting Automatically After Boot - Windows Security Log 4625 Failed Login Troubleshooting-Windows Defender Log File Missing: Solutions

Updated 2026-06-13 21:46:54developer-tools
Fix Windows Security Not Starting Automatically After Boot - Windows Security Log 4625 Failed Login Troubleshooting-Windows Defender Log File Missing: 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.