windows update tuesday and false emails
next tuesday is a really important patch day for your windows (that is if you have a legal version, because microsoft is making it more and more difficult for non-legal windows to receive patches - which is insecure and thus very very stupid because if those non-legal windows become zombies, everybody will suffer)
you will not receive update files or links in an email. Everything you receive like this, even if it looks very very very real - is a fake.
Just go to www.windowsupdate.com and nowhere else
legal xp's will receive a full sp2 from monday, a few hundred megabyte, so have fun
more help with sp2 links on www.securingit.tk