Windivert Driver Cannot Be Installed You Must Restart Your Computer [ UPDATED · METHOD ]

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 .

: Windows "Core Isolation" or antivirus software (like Sophos) is blocking the driver from loading. If Windows says you need a restart, it’s

Temporarily disable antivirus like Sophos or specialized firewalls. Ensure .sys and .dll files are in the program folder. Ensure

Tip: Some users found that manually copying WinDivert64.sys into C:\Windows\System32 resolved persistent installation errors . 4. Clean the Registry (Last Resort) If Windows says you need a restart, it’s

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