Also do an online scan at one or all of these.
On the first one, make sure you checkmark the box that says "autoclean"

Housecall (using IE with Active-X)
http://housecall.trendmicro.com/housecall/start_corp.asp

Housecall (all browsers using java)
http://uk.trendmicro-europe.com/enterprise/products/housecall_launch.php

.....

please run the WindowSecurity trojan scan here:
http://www.windowsecurity.com/trojanscan/
Remove any trojans found, and restart your computer.

...........

Then please run the Panda scan here:
http://www.pandasoftware.com/
Panda ActiveScan on the left .
Choose to "Disinfect automatically," and follow the prompts. Delete any viruses found, and restart your computer.