If these steps don't work, you can check for specific error codes on the VALORANT Support Page or reach out to Riot Games Support for a log analysis.
If this isn't the VGK Driver you meant, tell me which project or provide a link and I’ll tailor the guide. Vgk Driver
Riot designed the driver to be visible and manageable. You can see the Vanguard icon in your system tray; from there, you can disable or exit the driver. However, if the driver is not running, you cannot launch Riot’s protected games. To play again, a full system reboot is required to re-initialize the driver at the kernel level. If these steps don't work, you can check