The update can be found by using the Dell update app on some PCs or by using Dell's Driver Update page found here on the Dell site. This update is rather significant due to the changelog and what ...

Dell fixed a pretty big gaming performance gaffe in its latest XPS 15 notebooks with a BIOS update.

To get started, download and run the “Dell Security Advisory Update – DSA-2021-088" utility, which should find and remove dbutil_2_3.sys for you. You can also hunt for this file manually.