In Windows Vista, windows let you easily switch from one user to another, using Fast User Switching. All the open documents and programs and settings for the first user are automatically stored when you switch to other user. When you switch black, the first user’s documents, programs and settings reappear just as they were before the switch.
Each user can select your own account name, password and picture, whatever interface, desktop and file personalization one users makes sticks with that user. It consists of two primary levels of user accounts. In Administrator state account has permission to perform installing programs and modifying or deleting files. The User level account does not have permission to install programs and delete key files; all users were already assigned Administrator status in Windows XP.
To install malicious software and spyware on their system for security process, control the PC, using the original uses Administrator privileges. Vista used user account control with all users is automatically assigned user level access with increase system security. User Account Control presents a dialog box that asks for authentication for the task at the hand.
