Windivert Driver Cannot Be Installed You: Must Restart Your Computer |top|

The "WinDivert driver cannot be installed" error typically occurs when a previous version of the driver is stuck in memory or the Windows registry, or when core security settings block its execution.

Because malware can abuse packet diversion tools to intercept data, security software often flags or blocks WinDivert drivers.

Open and run:

Look for a value named or FeatureSettingsOverrideMask . (If they do not exist, skip this step). If they do, temporarily setting them to 0 can bypass aggressive driver blocking, though it is recommended to revert them later for system security. The "WinDivert driver cannot be installed" error typically

Once you log in, attempt to run the application that requires WinDivert. 3. Check for File Corruption (Copying .sys files)

This comprehensive guide explains why this error happens and provides step-by-step solutions to get your software running smoothly. What is WinDivert and Why Does It Fail?

Look for applications like Tallow, ReQrypt, or any VPN/Packet sniffing tools. Right-click them and choose . 3. Manually Delete Lingering Driver Files If the driver is locked, you must remove the files. (If they do not exist, skip this step)

your computer and try running the application again. 2. Clear the WinDivert Registry Key

The error message typically appears when an application (like a VPN, network monitor, packet sniffer, or firewall) tries to use the WinDivert driver — a legitimate, open‑source packet capture/modification library — but the installation or loading of its driver fails.

The "WinDivert driver cannot be installed: You must restart your computer" error can be caused by various factors, including pending system restarts, conflicting system files, insufficient system permissions, and driver package issues. By following the troubleshooting steps outlined in this article, you should be able to resolve the issue and successfully install the WinDivert driver. If you are still experiencing issues, you may want to consider seeking additional help from the WinDivert community or a qualified IT professional. users frequently encounter the error:

Type in the Windows start menu, right-click Command Prompt , and choose Run as administrator . Type the following command and press Enter: sc stop windivert Use code with caution.

If Windows marks the driver service for deletion but fails to clear it, you can force its removal via the Command Prompt.

However, users frequently encounter the error: