Task Host Window is an intelligent windows program which pops up when you attempt to Shut Down windows. The reason why it pops up is due to the running processes and programs in the background; when you initiate shutdown or reboot, task host interrupts the process to check if all running programs were closed to avoid data loss, the pop up would also show you which programs were running.
The noun ARM'S LENGTH has 1 sense: 1  1. a distance sufficient to exclude intimacy. 2  Meaning: 3  A distance sufficient to exclude intimacy. 4  Classified under: 5  Nouns denoting attributes of people and objects. 6  Hypernyms (arm's length is a kind of...): 7  distance; length (size of the gap between two places)
arm ), a separate and usually longer unit of around 45 inches. The use of the word yard (Middle English: Èerd or Èerde) to describe this length is first attested in Langland 's poem on Piers Plowman. The usage seems to derive from the prototype standard rods held by the king and his magistrates (see below).