Windivert Driver Cannot Be Installed You Must Restart Your Computer |top| 95%

A previous session of your program closed improperly, leaving the driver locked in Windows memory.

To avoid this error in the future:

WinDivert requires kernel‑level access. Right‑click the program that uses WinDivert and select . If it’s a VPN or tool that starts automatically, set its shortcut or executable to always run as admin.

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. A previous session of your program closed improperly,

Your PC will reboot into a blue troubleshooting screen. Go to > Advanced options > Startup Settings > Restart .

Find the folder (it may have a version number attached). Right-click the folder and select Delete . Reboot your PC immediately after. 3. Disable Core Isolation (Memory Integrity)

Look for applications like Tallow, ReQrypt, or any VPN/Packet sniffing tools. Right-click them and choose . 3. Manually Delete Lingering Driver Files If the driver is locked, you must remove the files. If it’s a VPN or tool that starts

: If you are on Windows 10/11, go to Windows Security > Device Security > Core Isolation and try turning off Memory Integrity .

Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDivert

Press the , type cmd , right-click Command Prompt , and select Run as administrator . Your PC will reboot into a blue troubleshooting screen

To achieve this, WinDivert temporarily installs a kernel-level driver ( WinDivert.sys or WinDivert64.sys ). The error triggers when the application tries to register or launch this driver, but the Windows operating system blocks it. The primary reasons for this failure include:

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If you have 64-bit Windows, you ensure that the application you are using and its WinDivert driver are also the 64-bit versions . Using a 32-bit driver on a 64-bit system will almost certainly cause it to fail to load. Re-download the correct version for your operating system from the application's official source.

The "WinDivert driver cannot be installed" error typically occurs when a previous version of the driver is stuck in memory or the Windows registry, or when core security settings block its execution.

Stop the driver service by typing the following command and pressing Enter : sc stop windivert Use code with caution.