Windivert Driver Cannot Be Installed You Must Restart Your Computer Top May 2026

Start with (registry pending flags). It is the single most effective fix for the specific wording “you must restart your computer” when you already have.

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

If you are reading this, you have likely been stopped mid-task by a frustrating pop-up error: "WinDivert driver cannot be installed. You must restart your computer." This message typically appears when launching network manipulation tools—such as VPN clients (ProtonVPN, Windscribe), packet sniffers (Wireshark with WinDivert), proxy tools (mitmproxy, SocksEscort), or gaming VPNs (ExitLag, NoPing). The error halts the driver installation, preventing the application from functioning. packet sniffers (Wireshark with WinDivert)

Why does this happen, and more importantly, proxy tools (mitmproxy