If you add media players, I got a great one that plays DVDs as well as any music or video files. I use it exclusively

. And it also streams video over a LAN. Also, it can be used on most Linux, and Windows and Mac.
VLC (Video Lan Client):
http://www.videolan.org/vlc/
And also, I didn't see it in the list, but MS Antispyware is a great program too.
Microsoft AntiSpyware (beta):
http://www.microsoft.com/athome/secu...e/default.mspx