Are you trying to a specific diagnostic tool, or are you concerned about this file appearing in your task manager ? How To Use | PDF | Microsoft Windows - Scribd

After uninstallation, delete any leftover files:

: If the device still isn't recognized, some users suggest installing Intel chipset drivers

It turned out actiapnpinstaller wasn't malware at all. It was a legitimate "Plug and Play" (PNP) installer utility used by business software—specifically (now Actian Zen), a database engine used by accounting programs and enterprise management systems.

MSPs can leverage ActiAPNPInstaller to deliver efficient and cost-effective software deployment services to their clients.

Handles multiple driver packages, including the VComUSB and USB Com Board Evolution drivers. Installation Best Practices