If the driver installation is stuck in a "pending" state, a standard shutdown won't clear it. Checkra1n 012 1 Beta Windows Download Portable [TESTED]
However, because it interacts deeply with the Windows networking stack, Windows protects it aggressively. If a previous installation attempt failed, or if Windows Update installed a generic driver over it, the system puts a "lock" on the driver that requires a reboot to clear. This is the most common reason the error persists. By default, Windows 10 and 11 use a feature called Fast Startup . When you click "Shut Down," Windows doesn't actually perform a full cold boot; it saves the system state to a file to load faster next time. Adjprog L4150 L4160exe Here
Check if the developer of the software you are using has released an update. Often, they will update the bundled WinDivert version to a newer build that is compatible with the latest Windows security patches. The "WinDivert driver cannot be installed you must restart your computer" error is usually caused by the Windows Fast Startup feature not fully resetting the driver state, or by leftover driver files from a previous crash.
In this post, we will explain why this happens and provide a step-by-step guide to fixing it without pulling your hair out. Before we fix it, it helps to know what it is. WinDivert is a user-mode packet capture/divert driver. It allows software to intercept, filter, and modify network traffic on your Windows machine. It is a legitimate tool used by many open-source and commercial applications to manage network flows without requiring a complex kernel-mode driver.
If you are seeing the error message "WinDivert driver cannot be installed you must restart your computer" , you are likely trying to run a network utility, a packet sniffer, or a specific software firewall (like Proxifier, SwitchHosts, or certain gaming tools).
This error is notoriously frustrating because it often persists even after you have restarted your computer. You restart, launch the app, and are greeted with the exact same message.