Fix Python venv 'No such file or directory' Error on Activation - Windows 11 Installation Assistant Stuck at 99%: How to Reset and Finish-How to Activate a Python Virtual Environment Successfully

Updated 2026-07-28 10:20:33windows-fixes
Fix Python venv 'No such file or directory' Error on Activation - Windows 11 Installation Assistant Stuck at 99%: How to Reset and Finish-How to Activate a Python Virtual Environment Successfully
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.