Restart Your Computer __full__ — Windivert Driver Cannot Be Installed You Must

Here’s a systematic approach to resolving the error. Start at the first step and work your way down.

This feature often blocks older or non-WHQL signed drivers from loading. Go to Windows Security > Device Security > Core isolation details and try turning off Memory integrity temporarily to see if the driver installs.

: An existing WinDivert service may be pointing to a file path that no longer exists, preventing the new driver from installing.

Multiple tools rely on WinDivert. If one is running in the background, it will lock the driver. Common culprits include: GoodbyeDPI / GreenTunnel / Anti-censorship bypass tools Custom firewalls or packet inspection software Certain game ping-reduction tools or VPNs Here’s a systematic approach to resolving the error

Alternatively, open Command Prompt as Administrator and type: shutdown /s /f /t 0 to force a complete shutdown.

If the application’s GUI installer keeps failing, you can install the driver manually using the sc (Service Control) command.

Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ Look for a key named or WinDivert1.4 (or higher). Delete this key. Reboot your computer again. Go to Windows Security > Device Security >

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

Check if Windows recently blocked or quarantined a file named WinDivert64.sys .

With the exact error code and message in hand, you can perform a more targeted web search for a solution or return to the appropriate solution in this guide. If one is running in the background, it will lock the driver

Go to > Protection history to see if WinDivert was blocked. If blocked, select the action and click Allow on device .

Type the following command to delete the service: sc delete windivert Relaunch your application. 3. Clear Blocked Drivers via the Registry

: If a previous application (like a VPN or packet tool) is still running, the driver file is "in use" and cannot be replaced or re-initialized until the system is clear.

Temporarily disable your real-time protection. If the software works afterward, you will need to add the folder containing your application (and the WinDivert.dll / WinDivert64.sys files) to your Antivirus Exclusion List . 5. Verify Digital Signature Requirements