Microsoft claims Windows Vista will have a much harsher system to prevent piracy than previous versions of the operating system.
The world's largest software maker said Wednesday that people running a version of Windows Vista that it believes is pirated will initially be denied access to some of the most anticipated Vista features. That includes Windows Aero, an improved graphics technology.
Under that scenario, a person could use the browser to surf the Web, access documents on the hard drive or log onto Web-based e-mail. But the user would not be able to directly open documents from the computer desktop or run other programs such as Outlook e-mail software, Lindeman said.
Microsoft said it won't stop a computer running pirated Vista software from working completely, and it will continue to deliver critical security updates.
The company says the system will be able to perform some piracy checks internally, without contacting Microsoft via the internet.