Fix 'Windows Security Module Not Found' Antivirus Error - Fix Invalid Configuration in Windows Defender-SSH Key Permission Errors: Quick Fix Checklist

Updated 2026-06-13 19:26:56cloud-software
Fix 'Windows Security Module Not Found' Antivirus Error - Fix Invalid Configuration in Windows Defender-SSH Key Permission Errors: Quick Fix 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.