(From Windows Firewall Error 0x6d9 “The snap-in failed to load”)
- Create a Restore Point.
- In the C:\ drive, create a folder named “Registry” — i.e., C:\Registry. Do not use any other folder name.
- Download the following zip file
firewall_fix_windows_11.zip (for Windows 11)
firewall_fix_windows_10.zip (for Windows 10) - Save the .zip file to the desktop.
- Extract the four files from the Zip file to C:\Registry.
- From the C:\Registry folder, right-click “Run.bat” and choose “Run as administrator.”
- Restart Windows.
This fixes the issue. You can delete the C:\Registry folder.