Maybe it isn't new but I've found it today.
Don't do it if you don't want to crash your IE!
If you type in toolbar 'x x x x x x x x x x site:xx' (10 letters or words and site:..) it will close your IE with some errors.
you can also check it here
http://www.google.com/search?num=100...+x+site%3Ax x but be careful!