Fix 'Module Not Found' in Python Virtual Environments - How to Stop Windows Update from Using 100% CPU-Python Module Not Found: Troubleshooting Checklist

Updated 2026-06-13 14:32:34developer-tools
Fix 'Module Not Found' in Python Virtual Environments - How to Stop Windows Update from Using 100% CPU-Python Module Not Found: Troubleshooting Checklist
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.