If you have Windows XP SP2 with automatic updates enabled, it is quite possible that the "Windows Genuine Advantage has found that the copy you have installed is illegal.
How to remove the message
To do so is very simple, just click on the right button on the icon of the star that is in the taskbar (near the clock) and then clicking on the option to change settings.
Then, a window of the Explorer that you take a page from Microsoft (for that you must be online), which will tell you that you have a copy of Windows is not genuine. Underneath there will be other options, including "Show messages Notifications WGA." To avoid those annoying messages appear more destildar we have this option, then "save configuration".
Below, we must accept that we agree that the copy is not genuine, so they give up the opportunity to receive updates.
Of course, this only avoid that annoying message no longer appears at the beginning, but we will no longer receive automatic updates. The only way to continue receiving technical upgrades will be buying a license legally.
The article As remove the Windows message: you may be a victim of software counterfeiting ends here. You can find more related information in the following links: