Windivert Driver Cannot Be Installed You Must Restart Your Computer Top ((better))

This error is essentially a symptom, and the "top" priority of this guide is to provide a clear, actionable plan to help you diagnose the root cause and get your software working.

To test if this is the issue, you can temporarily disable Driver Signature Enforcement.

If you have used a similar program before (e.g., switching from one ad-blocker to another), the old driver might still be "installed" but inactive. This error is essentially a symptom, and the

Manually terminating and purging the active driver service forces Windows to register a clean state upon launching your application again.

are you trying to run when this error pops up? Manually terminating and purging the active driver service

If you're encountering the frustrating issue where the Windivert driver cannot be installed, and you're stuck with the message "You must restart your computer," you're not alone. This guide aims to walk you through understanding the issue and several steps to resolve it, ensuring you can successfully install the Windivert driver.

For advanced users, manual installation through Command Prompt can be effective. This guide aims to walk you through understanding

Modern 64-bit versions of Windows require all kernel-mode drivers to be digitally signed. Outdated versions of WinDivert may violate enforcing policies like Driver Signature Enforcement. Step-by-Step Solutions to Fix the Error

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.

Press the , type cmd , right-click Command Prompt , and select Run as administrator .

: Use the Command Prompt (Admin) to manually clear the stuck driver: sc stop windivert sc delete windivert Restart your computer and try again.