Windivert Driver Cannot Be Installed You Must Restart Your Computer Hot! Now

Click and select the entire folder where your application is located. Step 6: Temporarily Disable Driver Signature Enforcement

Graceful Driver State Manager Target Scenario: Handling the "System Restart Pending" error (ERROR_ACCESS_DENIED / 0x5) during WinDivert installation.

Step 2: Force Delete the WinDivert Service via Command Prompt

The "WinDivert driver cannot be installed" error is fundamentally a security handshake issue between your application and the Windows operating system. In 90% of cases, , updating to the newest signed version of the driver, and adding an exclusion to Windows Defender will completely resolve the problem. Click and select the entire folder where your

Because WinDivert intercepts network traffic, security software often flags it as a "Trojan" or "Hacktool," blocking the driver from loading.

If you are using a niche, customized, or older version of WinDivert that lacks an official digital signature, Windows will block it at the kernel level. You can temporarily disable this enforcement to test if it solves the issue.

Follow these solutions in order to clear the driver conflict and get your software running. 1. Run the Application as Administrator In 90% of cases, , updating to the

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If a previous session crashed, the WinDivert service might be stuck in a "stop-pending" or corrupted state. You need to force-delete it.

Sometimes the service configuration is removed, but the physical driver file remains locked in the system cache or temporary folders. You can temporarily disable this enforcement to test

If these fail, try using the windivertctl tool by running windivertctl.exe uninstall from your application's directory. 2. Disable Core Isolation (Memory Integrity)

If your software uses a specific version (e.g., 1.4), use sc stop WinDivert1.4 and sc delete WinDivert1.4 .