explore adress probelm

when i double click on ie for browsing it opens website
http://i-lookup.com/ then i change adress into intenet properties as www.google.com then i open again explorer same http://i-lookup.com/ website comes,
the problem when this website open computer getting problem like hang...
so i want to change the setting of http://i-lookup.com/ internet address properties how to disable this address is it from registry keys or some thing else how to change and make it defaut internet address properties thanx

i have already changed to go into internet propeties home page address and did blank but again restart the exporer samething happenes............................????????????help what's going ...

 

Here's the removal

You may want to download and run Ad-aware as well?

 

problem solve

thanx daizy the removal tool is working and no more i-look.com bar in explorer will u tell me that is it hijack page??