Windows Service applications run in a different window station than the interactive station of the logged-on user. A window station is a secure object that contains a Clipboard, a set of global atoms, and a group of desktop objects.
That is the nature of the business is a term that means that  something happens because it is common experience for the event you  are performing or doing.
Business denotes busi-ness, that is the state of being busy â any activity in which one keeps himself busy. But the economic term of business refers to work, efforts, and acts of people or human busy in connection with the production of wealth.