You only need this for the first installation.
If you are experiencing errors or DriveGuard is not functioning, follow these steps to "patch" or update it: HP 3d driveguard for windows 11 - HP Support Community hp 3d driveguard windows 11 patched
In recent Windows 11 updates, HP removed the user interface (the system tray icon) because the older software was incompatible with modern Windows builds. The "patch" is effectively just the driver, which installs without a visible frontend. You only need this for the first installation