Like many legitimate executable names (e.g., svchost.exe , explorer.exe ), the filename Actiapnpinstaller.exe can be spoofed or used as camouflage by malware authors.
If the installation fails silently, check your antivirus quarantine. You may need to add an exclusion for the DiagBox folder to allow the installer to run. Are you having trouble getting a specific diagnostic tool to connect to your vehicle?
/nolog : Prevents the creation of a log file during the process. Troubleshooting & Safety
: Users typically run this file before installing main software like DiagBox v7.01 to ensure the necessary "multyinstance" drivers are ready for the Lexia interface. Safety and Troubleshooting