The "WinDivert driver cannot be installed" error usually stems from corrupted, blocked, or leftover network-filtering drivers from VPNs or gaming tools, often resolved by launching applications with administrator privileges. Immediate fixes include stopping the WinDivert service, removing ASRock RGB software conflicts, or deleting the WinDivert registry key, as detailed on GitHub basil00/WinDivert issues page Stack Overflow AI responses may include mistakes. Learn more

Title: The Network Guard Who Refused to Stand Up

Based on user reports and online forums, the following are possible causes of the "WinDivert driver cannot be installed, you must restart your computer" issue:

Many modern VPNs and traffic-shaping tools use WinDivert because it is faster and more stable than older methods (like TAP adapters).

1. Open Command Prompt as Administrator.
2. Navigate to the directory containing the Windivert driver files using the cd command.
3. Execute the installation command (it might look something like windivert-driver-install.exe or a similar command provided with the Windivert package).