Validating windows xp pro
Even if WGA does not really make the program unusable, no updates except critical ones can be downloaded from Microsoft.
Rather than just disallowing updating, Windows Vista originally ran in reduced-functionality mode if found by WGA to be compromised if a product has not been considered genuine which has made some people compare WGA to time bomb software.
As of July 2006, the latest update blocks management by other means.
Previously voluntary, it became mandatory for use of these services in July 2005.
On April 25, 2006, Microsoft began distributing Windows Genuine Advantage Notifications as "critical update" KB905474 to Windows users. Back in 2006, users with pirated copies were exposed to alerts at startup, login, and during use of the Windows OS, stating that they do not have a genuine copy of Windows.
Users with legitimate copies are not supposed to see the alerts (although some do anyway On October 20, 2008, many users of Windows XP in China received a black desktop, as Microsoft introduced its WGA system for Chinese language systems, in an effort to combat piracy, which is extremely high in China.
Despite its name it does not actually evaluate the integrity or security of any computer.
The WGA validation process validates the present installation of Windows and its license key against the detected computer hardware and determines if the software was licensed from Microsoft.