If you have not installed already. Because reports are that some spywares can potentially lock users out of the system if not cleaned before trying to upgrade to SP2. Something that perhaps came too late for many users. But the truth remains… If you are on Windows OS. And you are online for major part of the PC Time; you should take basic precautions of keeping your system clean from viruses, worms and spywares.

Programs such as Ad-Aware and SpyBot – Search and Destroy can help you clean computers of the nuisance. Maybe Microsoft can look into this department along with the Antivirus that they are developing…