sounds like you have either part of a trojan left or a version where thy messed up the proxy redirect.
On your internet explorer, click tools>internet options
(if you can not do this, mouse right on a desktop icon of IE and select internet options or do start>run, type Inetcpl.cpl and hit return)
on the window that appears click the connections tab
about 2/3rds of the way down on the right is the button "LAN Settings", click on this
on the window that appears, in the bottom half make sure "Use a Proxy Server for your...." button is not checked, if it is, uncheck it and click ok
click ok on the internet options window
try and use the internet
This will get you access to the internet but it does not remove the trojan. It may have been killed by your AV but running something else (I would uses Mbam but you may want to wait for one of the staff members to respond) would be a good idea
Also some versions of this virus will reset the proxy as soon as you exit internet options so if it reverts to not letting you then let us know
Edited by Cheredanine, 14 July 2010 - 05:39 AM.