Uninstall Outlook.
Get a Netscape web-email account.
5Mb of space, which has lasted me several years.
I still don't have the Klez worm, after about 150 attempts to infect me.
Try Mandrake Linux, if you aren't used to Linux. It's so easy to install, [b][i][u]I[/u][/i][/b] was able to install it successfully as a dual-boot system without ANY difficulty. In its current iteration, it is my understanding that it is even easier, and less prone to snags, than before. Not quite ready for the point-and-click crowd, but getting there.