: Common error codes include SYSTEM_SERVICE_EXCEPTION and KMODE_EXCEPTION_NOT_HANDLED .
If you fall into the last category—a Vgk Driver appears without any Riot game—run a full scan with Windows Defender or Malwarebytes. Some malware families disguise themselves as legitimate drivers. Vgk Driver
Vgk.sys has been known to block drivers for RGB controllers, fan management tools, and even some virtualization software (VirtualBox, VMware) because they can be exploited by cheats. The solution is to update those peripherals’ drivers to signed, newer versions. fan management tools
Riot does not allow permanent disablement from within Windows, but you can stop it until the next reboot: and even some virtualization software (VirtualBox