Windivert Driver Cannot Be Installed You Must Restart Your Computer !free! -
WinDivert32.sys (for 32-bit) or WinDivert64.sys (for 64-bit) WinDivert.inf (if provided by the developer) WinDivert not working on Windows 10 20H2 #253 - GitHub
This capability makes WinDivert a critical component for a wide range of powerful networking applications, including:
The application lacks the administrative privileges required to register kernel-mode drivers. How to Fix the WinDivert Driver Error WinDivert32
How to Fix "WinDivert Driver Cannot Be Installed: You Must Restart Your Computer"
Open the Windows Start menu, type , and open it. You cannot install a new driver over an active one
The WinDivert driver may already be running because another application (for example, a VPN client running in your system tray) is using it. You cannot install a new driver over an active one. The installer detects the driver is already loaded and refuses to proceed.
While the error message suggests a restart, a standard Windows 10/11 "Shutdown" often doesn't actually stop the driver if "Fast Startup" is enabled. WinDivert installs to C:\Windows\System32\drivers\
WinDivert installs to C:\Windows\System32\drivers\ . This directory is heavily protected by Windows. If you are not running the installer as an , or if your antivirus software is blocking the driver installation (flagging it as a potential risk because of its packet-diverting nature), the installation will fail.
Here are the specific reasons: