QTTask.exe (Apple) Appleâs Quick Time Tray Icon which enables you to start Quick Time from the System Tray (from version 5 onward). Given the extremely simple functionality provided, this Tray application is a resource hog in relative terms, as it has been measured to use as much as ¾ of a Megabyte of memory. Recommendation : Disable using Startup Manager. You can start Quick Time through "Start Programs" or through double-clicking on a quicktime file.