Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDivert . Right-click the folder and select Delete . Retry your application. 3. Verify File Integrity and Permissions

After reboot, she runs the WinDivert installer again. It succeeds in 10 seconds. The tool starts filtering traffic as expected.

Go to > Protection history to see if WinDivert64.sys or your application was recently blocked. If it was, select Allow on device .

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Sometimes, overprotective antivirus software (like Avast or McAfee) flags windivert.sys as malicious because it intercepts network traffic.

If you are still experiencing issues, quickly verify these three details:

By following this guide, you’ll not only resolve the error but also understand how Windows kernel drivers behave—empowering you to handle similar issues with other network tools in the future.

Navigate to your application folder (where the .exe is located). Search for WinDivert64.sys or WinDivert32.sys . Delete these files.

Before diving into fixes, it's essential to understand why this happens. The error implies that the WinDivert driver ( windivert.sys ) couldn't initialize, usually because:

If you are encountering the frustrating error message (or similar errors like code 110), you are likely trying to run a packet manipulation tool, VPN, or gaming proxy that relies on the Windows Packet Divert (WinDivert) library.

Get-NetFilterBinding | Format-Table Name, Enabled, ComponentID

Some applications do not cleanly remove the WinDivert driver when they are closed. You may need to forcefully remove the driver manually.

Antivirus programs frequently block packet diversion drivers to protect your network stack. If your security software silences the block, it manifests as an installation failure inside the application.

Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\

After the PC restarts, select .

The message explicitly asks for a restart. That often clears file locks and pending driver operations.