Fix PowerShell Blank Screen on Windows 11 - Fix Nginx 502 Bad Gateway in Docker Containers-Restore Windows Security Virus & Threat Protection

Updated 2026-06-13 19:48:31developer-tools
Fix PowerShell Blank Screen on Windows 11 - Fix Nginx 502 Bad Gateway in Docker Containers-Restore Windows Security Virus & Threat Protection
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.