Use the PnPUtil.ex tool to install, update, delete Drivers using the Command Prompt (Admin) in Windows 11/10. Drvload, works only in Windows PE.

After that, you can update your laptop’s firmware, update Dell Command Update, Dell Update, or Alienware Update, or install the latest version of Dell System Inventory Agent or Dell Platform Tags.

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.