Windivert Driver Cannot Be Installed You Must Restart Your Computer Top ((full)) Jun 2026

If you’ve ever tried using a network monitoring tool (like , mitmproxy , Proxifier , Charles Proxy , or Windscribe VPN ), you may have encountered the frustrating error:

Click on to see if windivert.sys was recently blocked. If blocked, select the action and click Allow on device .

This message typically appears mid-installation or when launching an application that relies on the packet capture library. The error halts your workflow, prevents network redirection, and leaves you confused—especially after you’ve already rebooted once (or twice). If you’ve ever tried using a network monitoring

Disable Fast Startup:

别担心，本文将带您全面了解 WinDivert 是什么、这条错误出现的原因、背后的原理以及最彻底、最有效的终极解决方案。只要按照本文的步骤操作，有高达 99% 的概率可以修复这个顽固的网络驱动问题。 The error halts your workflow, prevents network redirection,

If the error persists, check these system-level security features:

: The driver requires strict administrative permissions to register itself with the Windows Filtering Engine. Top Solutions to Fix the WinDivert Driver Error 1. Clear Stalled Services via Command Prompt The error halts your workflow

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

, the installation might fail because the modern WinDivert driver is signed with