Windivert Driver Cannot Be Installed You Must Restart Your Computer Top [extra Quality] Jun 2026

, the "restart required" message is often a generic Windows response to a driver that failed to initialize due to: Architecture Mismatch : Attempting to load a 32-bit driver on a 64-bit system. Missing Privileges : The application calling the driver must be Run as Administrator Virtualization : WinDivert is often incompatible with environments like or certain setups that do not support standard device drivers. Are you getting a specific error code (like 110, 577, or 1275) along with the restart message? A driver can't load on this device - Microsoft Support

Click on to see if windivert.sys was recently blocked. If blocked, select the action and click Allow on device . , the "restart required" message is often a

Disable Memory Integrity in Windows Security (Device Security > Core Isolation) as it can block low-level drivers like WinDivert . A driver can't load on this device -