Windivert Driver Cannot Be Installed You Must Restart Your Computer Top Updated — Tested & Working

pnputil /delete-driver oem42.inf /uninstall /force

A previous session of your software crashed or closed improperly, leaving the WinDivert service registered in the Windows kernel. Windows will not allow a new version to install while an old one is hung.

The Network Guard Who Refused to Stand Up pnputil /delete-driver oem42

Remove WinDivert service:

If the above solutions don't work, try manually installing the WinDivert driver: Go to Windows Security > Device Security >

: Modern Windows security features can block third-party drivers. Go to Windows Security > Device Security > Core Isolation and try turning off Memory Integrity Verify File Placement

Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ Look for (or similar WinDivert entries). If found, delete the folder. Restart your computer. 4. Remove Dangling Driver Files step-by-step guide to fix it

Ensure that your system and drivers are up-to-date:

While it sounds obvious, many users attempt to restart but encounter "Fast Startup" issues in Windows 8, 10, and 11, which do not fully clear the kernel memory.

This guide will break down exactly why this happens and provide you with a comprehensive, step-by-step guide to fix it, so you can get your tools up and running.