: An old WinDivert service is still registered but points to a file that no longer exists.
or install a new antivirus before this error started appearing? WinDivert not working on Windows 10 20H2 #253 - GitHub
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 : An old WinDivert service is still registered
: The software is looking for WinDivert64.sys or WinDivert32.sys in the wrong directory. Step-by-Step Fixes 1. Manually Remove the Old Service
If Windows says you need a restart, it’s likely because it’s trying to overwrite a service that’s "marked for deletion." You can force this process using the command prompt: Open as an Administrator . and Delete the WinDivert folder
WinDivert requires specific files to be in the same folder as your .exe . Ensure your program directory contains: WinDivert.dll WinDivert64.sys (for 64-bit systems) WinDivert32.sys (for 32-bit systems) WinDivert.inf
Temporarily disable antivirus like Sophos or specialized firewalls. Ensure .sys and .dll files are in the program folder. Windows Security block Turn off Memory Integrity in
If the software still insists on a restart, you may need to clear the driver's registration manually: Open regedit (Registry Editor).
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
Type the following commands one by one, pressing Enter after each: sc stop windivert sc delete windivert Use code with caution.