Windivert Driver Cannot Be Installed You Must Restart Your Computer =link= Jun 2026

Start with the simplest and safest fix: . If that doesn't work, the clean removal and reinstallation process is often the next best approach. Only resort to disabling Driver Signature Enforcement as a temporary, targeted measure. With patience and the correct technique, you will resolve the issue, allowing your application to take the driver's seat and give you full control over your network traffic once more.

This error happens because the Windows kernel is rejecting the WinDivert driver, preventing it from interacting with your network stack. In this comprehensive guide, we will break down exactly why this happens and provide step-by-step solutions to fix it for good. Understanding WinDivert and the Root Cause Start with the simplest and safest fix:

is enabled if you are using an unsigned or self-built version of the driver. Run Bcdedit.exe -set TESTSIGNING ON and restart. WinDivert not working on Windows 10 20H2 #253 - GitHub With patience and the correct technique, you will

Open ( Ctrl + Shift + Esc ), look for these background processes, and select End Task . Once closed, attempt to run your application again. 4. Clean Registry Leftovers Understanding WinDivert and the Root Cause is enabled

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDivert Right-click the folder and select your system immediately after. 3. Disable Memory Integrity (Windows 10/11) Windows Security features like Memory Integrity can block non-standard drivers from loading. Microsoft Support Privacy & Security Windows Security Device Security Core isolation details Memory Integrity and restart your PC. Microsoft Support 4. Verify File Placement & Permissions Admin Rights : Ensure the application using WinDivert is set to Run as Administrator File Location : Verify that WinDivert.sys WinDivert.dll WinDivert.inf