Actiapnpinstaller.exe [verified] Jun 2026
Like many specialized installers, it may occasionally be flagged by antivirus software (such as Windows Defender or AVG) as a "threat" because it interacts directly with system drivers. If you are installing DiagBox from a trusted source, it is generally considered safe and necessary for the hardware to work.
: It facilitates the communication between your PC and the Lexia diagnostic hardware.
The file size of the legitimate version typically ranges from , depending on the software version and compilation date. The digital signature should be from ACTIA S.A. or an affiliated company. Actiapnpinstaller.exe
When you extract the driver files from your DiagBox installation media or a dedicated driver pack, Actiapnpinstaller.exe is the file you run to install the necessary USB and communication drivers. Doing so allows your computer to properly recognize the Lexia 3 interface when it is plugged in.
However, if you no longer own or use any Actia hardware, you can safely remove it. Instead of deleting the raw file, always uninstall the main program (e.g., ACTIA Passthru Drivers ) through to ensure a clean removal without leaving orphaned registry entries. To help troubleshoot further, please tell me: Like many specialized installers, it may occasionally be
It is entirely normal for security software to flag ACTIAPnPInstaller.exe as a threat. This is almost always a . Since it is a driver installer, it often contains code patterns similar to those used by malicious software and may be unsigned. Moreover, the small scale of automotive diagnostic software means its digital signature may not be recognized by all antivirus vendors or Windows SmartScreen. You can disregard these warnings if you know the file originated from a legitimate automotive diagnostic tool installation.
Open the Windows and click Uninstall a Program . Locate your ACTIA software or PassThru driver package. Click Uninstall and follow the prompts. Restart your computer. The file size of the legitimate version typically
ACTIA Group is a major global manufacturer of electronic diagnostics systems for vehicles, serving car manufacturers, repair shops, and fleet managers. Their most famous software suites include and Lexia / DiagBox (used extensively for Peugeot and Citroën vehicle diagnostics).
You have never installed automotive diagnostic tools like Multi-Diag or Diagbox on your computer.
For the vast majority of users who do not own Actia automotive diagnostic equipment, this file should be running on their systems. However, if it appears, it may indicate one of three scenarios: