Archived from groups: microsoft.public.windowsxp.basics (More info?
There are many free programs that you can get. Spybot search and destroy,
Adaware, and HijackThis are all ones that will assist you in removing
spyware\adware. There are also many specific tools to remove "hotbars"
depending on which one you have. As for the GUID get a free program called
AntispyXP. That removes this sort of info. Or you can get IDBlaster which
constantly generates new GUID's on a rotating schedule you set.