Windivert Driver Cannot Be Installed You Must Restart Your Computer Top |link| Link

: If the error persists after a reboot, the registry entry might be corrupted. Use regedit to navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDivert and manually delete the WinDivert entry, then restart your computer. Common Root Causes

Antivirus or security software might be interfering with the installation. : If the error persists after a reboot,

The "WinDivert driver cannot be installed" error usually happens when a previous version of the driver is stuck in a half-uninstalled state or blocked by system security settings. While a simple restart is the first recommended step, it often doesn't clear the underlying service conflict or digital signature block. Troubleshooting the WinDivert Driver Error The "WinDivert driver cannot be installed" error usually

If you are seeing the message you’re likely stuck in a loop. Even after rebooting, the same error pops up. This usually happens because an old version of the driver is "ghosting" in your system or a third-party security tool is blocking the installation. Here is how to break the cycle and get it working. 1. Manually Clear the Old Service Even after rebooting, the same error pops up

Add the folder containing the WinDivert .sys and .dll files to your Antivirus Exclusions/Whitelist . 4. Verify Digital Signatures and "Block" Status Windows 10 and 11 are very picky about kernel drivers. Navigate to the folder where your program is located.

Alternatively, you can use the bcdedit command in Windows to temporarily disable driver signature enforcement for a single boot: