Windivert Driver Cannot Be Installed You Must Restart Your Computer Top -

1. Restart Your Computer

The simplest and most straightforward solution is to restart your computer. This often resolves issues related to driver installations, as it clears the system's driver cache and allows for a clean installation.

Causes of the Error

Pending Reboot: You may have installed other software or updates (Windows Update) that placed the system in a "pending reboot" state. Windows will not install new drivers until that restart happens.
Stale Driver Instance: The WinDivert driver is currently loaded in memory, or Windows thinks it is, preventing the installation of a new instance.
Driver Signature Issues: Occasionally, an older driver signature is cached, preventing the new driver from loading until the cache is cleared via a restart.

File Mismatches: The application is trying to use a 32-bit driver on a 64-bit system, or the necessary .sys files are missing from the app's directory. Step-by-Step Fixes 1. Manually Clear the Old Service Pending Reboot: You may have installed other software

Run System File Checker:

Open Command Prompt as Administrator.
Run: sfc /scannow
Wait for completion (may take 15+ minutes).
Then run: DISM /Online /Cleanup-Image /RestoreHealth
Restart and try again.

Note: This setting resets after normal reboot. For permanent signing issues, download the latest official WinDivert from GitHub (see Solution 7). File Mismatches : The application is trying to

Open Command Prompt as Administrator.
Run the command: bcdedit /set loadoptions DDISABLE_INTEGRITY_CHECKS
Restart your computer.

She checks for pending reboots with:
reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired"
→ The key exists. Windows itself is waiting for a reboot. and hit Enter.

If the sc delete command didn't work, you might need to manually remove the service entry from the Windows Registry. Press Win + R, type regedit, and hit Enter.