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Windows 8 In Depth by Paul McFedries, Brian Knittel

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User Account Control

Windows NT, 2000, and XP had the necessary structure to secure the operating system against viruses and hackers. The way Windows security works, any program that a user runs gains the privileges associated with the user’s logon account; this determines what folders the user can save files in, what settings the user can change, and so on. Computer Administrator accounts have the capability to change any system setting, change any security setting, change any file, install any software, or modify Windows itself. In effect, software run by a Computer Administrator account could do anything.

Unfortunately, in Windows XP, all user accounts were by default created as Computer Administrator accounts, and it took a lot of effort ...

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