The "WinDivert driver cannot be installed, you must restart your computer" issue can be caused by a variety of factors, including pending system restarts, conflicting kernel-mode drivers, insufficient privileges, and system configuration issues. By trying the solutions outlined in this report, users should be able to resolve the issue and successfully install the WinDivert driver.
This error is commonly associated with networking tools, ad-blockers (like Portmaster or certain GitHub projects), and packet sniffing applications that rely on the WinDivert library to capture and filter network traffic. The "WinDivert driver cannot be installed, you must
: An older version of the WinDivert service is still registered in Windows but points to a file that no longer exists or is incompatible. : An older version of the WinDivert service
and run these commands to force-remove the existing driver service: sc stop windivert sc delete windivert Note: If you are using version 1.0, the service name may be WinDivert1.0 Clean the Registry Search for
Do you need help WinDivert from your registry or checking your driver signatures ?
If the command prompt doesn't work, the driver's ghost is in your registry. Search for .