Fix 'Module Not Found' in Python Virtual Environments - How to Clear SSH Known Hosts and Fix Host Key Verification Failed-Troubleshoot Windows Defender Permission Denied in VM

Updated 2026-06-13 21:20:34office-tools

Fix 'Module Not Found' in Python Virtual Environments - How to Clear SSH Known Hosts and Fix Host Key Verification Failed-Troubleshoot Windows Defender Permission Denied in VM

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.