Hi , Firstly : Sorry for my bad English I'm French.
So , i have a problem with the display of JDownloader :
(These are multiple screens)

http://img703.imageshack.us/i/screenuc.jpg/
http://img573.imageshack.us/i/screen2hq.jpg/
http://img7.imageshack.us/i/screen3bm.png/

It's impossible to use the program
I'm on Seven 64 bits