Fix 'pip externally managed environment' Error on Python 3.11 - Fixing pnpm install Exit Code 1 Errors-Network Issues Causing Windows 11 Assistant to Hang at 99%

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.