It’s not absolutely clear which product this file is part of and who is its author. Sometimes files like this can be dangerous. Make sure ac3config.exe is a safe file by scanning your computer for viruses.
Ac3config.exe is usually located in the %PROGRAM_FILES% sub-folder and its usual size is 20,480 bytes.
The ac3config.exe process is safe, and you can safely disable it.
Common path(s): subfolder in %PROGRAM_FILES%
subfolder in %DOCS_SETTINGS%Filesize(s): 20,480 bytes, 87,552 bytes