Windivert Driver Cannot Be Installed You Must Restart | Your Computer

How to Fix "WinDivert Driver Cannot Be Installed: You Must Restart Your Computer"

WinDivert operates as a kernel-level driver ( WinDivert32.sys or WinDivert64.sys ). Because it interacts directly with the network stack, Windows imposes strict security and operational constraints. The "restart your computer" loop generally stems from four specific system conditions: WinDivert not working on Windows 10 20H2 #253 - GitHub

: If a restart doesn't work, manually stop and delete the existing service using the Command Prompt (run as Admin): sc stop windivert sc delete windivert

Antivirus programs often flag WinDivert as a "PUP" (Potentially Unwanted Program) or a generic Trojan due to its ability to manipulate network traffic. How to Fix "WinDivert Driver Cannot Be Installed:

This "WinDivert driver cannot be installed" prompt is the program's way of saying it hit a roadblock. The main causes often fall into a few key categories:

: Use Resource Monitor (Task Manager > Performance > Open Resource Monitor) and search for "WinDivert" under Associated Handles to see which programs are currently using the driver and terminate them.

I can provide specific instructions tailored to your exact setup. Share public link This "WinDivert driver cannot be installed" prompt is

How to Fix "WinDivert Driver Cannot Be Installed: You Must Restart Your Computer"

Look for the name of your application or any process named WinDivert . Right-click the process and select .

If you are using an older version of WinDivert, or a modified version packaged with a niche tool, Windows 10 or 11 might block it because it lacks a valid digital signature. Share public link How to Fix "WinDivert Driver

While a system restart sometimes clears the driver from temporary memory, the prompt often reappears in an infinite loop. This comprehensive guide provides actionable steps to diagnose and permanently resolve the root causes of this error. Understanding WinDivert and Why It Fails

Ensure all required files are in the same folder as your application: WinDivert.dll

Ensure your application calls WinDivertClose() in an error-handling block or a finally clause to unload the driver cleanly when the program terminates or crashes.