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 - Classifications. 1  Agriculture such as the domestication of fish, animals and livestock, as well as lumber, oil and mining businesses that extract natural resources and raw materials, such as wood, petroleum, natural gas, ores, plants or minerals.