Unfortunatly, you can remove lop software using Add/Remove software, but they are tricky, and it does not remove the tool bar, and its other effects. Here is a very hady website that will tell you how to manualy remove this pest -->
http://www.spy-bot.net/lop.asp <--. Also keep using Ad-aware, and Microsoft Anti-Spyware Beta, as they DO help in removal of these adwares and spywares. Goodluck