I just can get it

Ive done everything. and when i try to do the new path thing mine was alrady there so i thought maybe if i change it to the systems one it will work WRONG ive modified repaired and uninstall over 20 times ive checked the site and still i come up with nothing ive downloaded 1.7 1.6 and the gnutella version all wont work I GET THE SAME THING ABSOLUTELYNOTHING I AM SO PEEVED

HELP PLEASE also if this helps when i click on java anything it does the same thing just sits there doesnt load