Meaning of ATI2CWXX in English
Part of ATI display drivers for some ATI or ATI-chipset based graphics cards. Often seen in laptops as part of the VGA drivers for the onboard ATI graphics card, particularly DELL and Compaq laptops.
At this stage we are not completely sure of the role of this background task; however disabling it does not seem to cause any problems whatsoever.
Microsoft Windows task list Programs English glossary. Английский словарь - Список целевых программ Microsoft Windows. 2012