I don't think you need to purchase ad-aware or spy-aware programs. I use Ad-aware from Lavasoft and Spybot. They are both freeware. Including updates.

PF

>I got a "RETURNED BY RECEIVER" as probable virus too (meaning that I was a "sender" even tough I never did), so I went to the trouble (and it **IS** trouble, in my opinion) to download the Symantec eradicator, ran it, and it found NO INSTANCE of SBig...
>
>I went to a URL and looked for the winppr32.* (i think) files - and could not get them. Am I paranoid or what - but when I consider downloading fixes and updates, in the back of my mind, this little demon says, "Beware of AD or SPY ware!"
>
>Heck - I even get the jitters when I find myself considering the purchase of an AD-ware / SPY-ware sniffer utility!