Stop using IE and Outlook. Msft only provides protection for a price.

Set your news reader options to read and post only text, no HTML.
Set your emailer the same, text only.

Turn off javascript in your web browser's preferences/options.
If you really need it on, then make sure it's worth the risk
and turn it back off when you're done.

Turn off all non-essential system services when connected
to the net. The only ports you should show listening on
windows are 135 and 1025 (AFAIK they can't be turned off)
and they should be set to be blocked by your firewall.

Good luck and safe surfing.