Author’s note: Always reboot after each fix attempt. And if you’re on a managed work/school PC, contact your IT admin – they likely have driver policies in place.
is enabled if you are using an unsigned or self-built version of the driver. Run Bcdedit.exe -set TESTSIGNING ON and restart. WinDivert not working on Windows 10 20H2 #253 - GitHub Author’s note: Always reboot after each fix attempt
Temporarily disable or uninstall other network management tools. Try running the problematic application as the only active network tool. If it works, you know there is a conflict. Run Bcdedit
By following these steps, you should clear the "Must Restart" loop and allow the driver to hook into your network stack correctly. If it works, you know there is a conflict
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
If none of the above solutions work, try reinstalling Windivert.