Temporarily disable antivirus like Sophos or specialized firewalls. Ensure .sys and .dll files are in the program folder.
Modern Windows 10 and 11 security features can prevent "unsigned" or older drivers from loading. Go to > Device Security . Click on Core isolation details . Toggle Memory Integrity to Off . Restart your computer and try running the software again. 3. Verify File Placement Go to > Device Security
: An old WinDivert service is still registered but points to a file that no longer exists. Restart your computer and try running the software again
: The software is looking for WinDivert64.sys or WinDivert32.sys in the wrong directory. Step-by-Step Fixes 1. Manually Remove the Old Service Go to > Device Security
If the software still insists on a restart, you may need to clear the driver's registration manually: Open regedit (Registry Editor).
Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDivert . and Delete the WinDivert folder. Restart your PC. Summary Checklist Old driver stuck Run sc delete windivert in Admin CMD. Windows Security block Turn off Memory Integrity in Core Isolation. Incompatible software
Type the following commands one by one, pressing Enter after each: sc stop windivert sc delete windivert Use code with caution.