Windivert Driver Cannot Be Installed You Must Restart Your Computer Jun 2026

If you are using an older version of the software, you might need to try sc stop WinDivert1.1 or sc delete WinDivert1.1 .

WinDivert installs a system service, requiring high-level permissions.

WinDivert cannot install a kernel-level driver from a standard user account. Close the application completely. Right-click the application executable ( .exe ). Select . Check if the driver initializes successfully. 2. Manually Remove the Leftover WinDivert Service If you are using an older version of

The WinDivert driver ( windivert.sys or windivert64.sys ) must be dynamically registered and started by Windows. When this process fails, the software usually triggers a generic reboot prompt. The root causes generally fall into four categories:

⚠️ This is a security feature. Disabling it can make your system more vulnerable to certain types of attacks. It's a best practice to re-enable this feature after you have successfully installed and set up your application to maintain your system's security. Close the application completely

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If you have not restarted your PC recently (or if a previous installation failed), do a . Check if the driver initializes successfully

Ensure your application calls WinDivertClose() in an error-handling block or a finally clause to unload the driver cleanly when the program terminates or crashes.

The error prevents applications using the Windows Packet Divert (WinDivert) library—such as GoodbyeDPI, Requrypt, VPNs, firewalls, or network tools—from intercepting and processing network packets. Even after a system reboot, the message frequently persists.

// Attempt to load WinDivert here // WinDivertOpen("...", ...)

Once the computer restarts, go to .