Cant update to 4.1, please help!!

I have been trying to update my iPhone 4 to iOS4.1 and it goes great until about 2.3rds of the way done. It just stops. Here is a picture of what my phone looks like.
http://img843.imageshack.us/img843/858/screenshot20100915at321.png
I know the picture is bad quality, but i hope you can see what the problem is. Has anyone else had this problem? If so what do i do to fix it. I have left it like that for about 15-20 minutes now and plan on leaving it on for an hour or so to see if anything happens.