|Yes. I personally have not used or heard of that particular registry change. However, in any case, editing the registry should be a last resort, particularly for someone not skilled with computers (no offense). From what I can tell though, the registry change suggested is for dealing with the Windows Genuine Advantage after it has been installed.|
Finally, if after checking the box on the windows update site, you still have the icon, you may need to disable and the re-enable automatic updates. If you don't know how to do that, post back.