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.
A business is an organizational entity and legal entity made up of an association of people, be they natural, legal, or a mixture of both who share a common purpose and unite in order to focus their various talents and organize their collectively available skills or resources to achieve specific declared goals and are involved in the provision of goods and services to consumers. A business can also be described as an organization that provides goods and services for human needs. A company or ass