Fix ERR_NAME_NOT_RESOLVED on Windows 10 - Why Python Virtual Environment Won't Activate After Install-Docker Nginx 502 Error: Environment Variable Fix

Updated 2026-07-28 12:15:02backup-recovery
Fix ERR_NAME_NOT_RESOLVED on Windows 10 - Why Python Virtual Environment Won't Activate After Install-Docker Nginx 502 Error: Environment Variable Fix
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.