Windivert Driver Cannot Be Installed You Must Restart Your Computer Link
Search for and delete WinDivert32.sys and WinDivert64.sys from your system folders or the application directory.
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WinDivert32.sys (for 32-bit systems) or WinDivert64.sys (for 64-bit systems) WinDivert.inf
Modern versions of Windows (Windows 10 and 11) strictly require all kernel drivers to be digitally signed by Microsoft. Older or modified versions of WinDivert lack this signature.
Tip: Some users found that manually copying WinDivert64.sys into C:\Windows\System32 resolved persistent installation errors . 4. Clean the Registry (Last Resort) Search for and delete WinDivert32
Encountering the "WinDivert driver cannot be installed, you must restart your computer" error is a sign that your Windows system is functioning as intended—it's protecting itself from a kernel-level change. However, for legitimate networking tools, this protection can be an obstacle. You can successfully get past this error by understanding its causes, whether they be Windows Security's Kernel Isolation, Driver Signature Enforcement, or corrupted installation files.
Open Command Prompt as an administrator . Type the following commands, pressing Enter after each one:
The "WinDivert driver cannot be installed" error is a clear sign of Windows' robust security mechanisms at work. While it can be a hurdle, it's almost always surmountable. By systematically stepping through the solutions in this guide—starting with a clean restart and a simple "Run as Administrator," then moving to more advanced tactics like disabling Memory Integrity or Driver Signature Enforcement—you can identify the conflict and get your application running.
The message literally means: Windows blocked the driver installation because it requires a clean system state. Common triggers: If you share with third parties, their policies apply
This is a virtualized security feature that uses hardware to isolate critical system processes. It also to protect the core of your OS. If Memory Integrity is turned on, and the WinDivert driver is not compatible with it, Windows will block it. This is a common issue on Windows 11 and recent Windows 10 builds.
WinDivert64.sys (for 64-bit systems) or WinDivert32.sys (for 32-bit systems) WinDivert.inf WinDivert not working on Windows 10 20H2 #253 - GitHub
Open Command Prompt as Administrator and run the following commands to stop and remove any existing WinDivert service: sc stop windivert
The lack of clear instructions or support resources from the developer is frustrating, to say the least. It's clear that the installation process needs significant improvement. WinDivert32
Fixing WinDiver Driver Installation Errors The error message typically appears when a program that relies on the WinDivert library fails to register or start its kernel-mode driver. This is a common issue for users running network tools, VPNs, proxies (like GoodbyeDPI), or custom firewalls.
Upon reboot, press or F7 to select Disable driver signature enforcement .
Now that we understand the potential causes, let's work through the solutions, from the simplest and least intrusive to the most effective.