Hi,
Sorry, but as you can see there are a few logs being posted, and I'm really the only one here who does them.. and I'm just off out.
You've been hijacked by CoolWebSearch.
Download Shredder from..
http://cwshredder.net/bin/CWShredder.exe
update it and run it, and post a new log. I'll do a manual clean up when I get in, if you haven't read this in the meantime.
Cheers
Liam