I had an issue where I tried to launch the NXT client and it just gave me a blank error message (probably a corrupted cache) Anyway, I deleted the whole thing and tried re-downloading it and now it only downloads some kind of "internet link" (.url). Double clicking the icon on my desktop does literally nothing. Java client works just fine.
L0NE DRUID, I did what you told me to and now it is a .exe file. Still, nothing happens when I try to launch it even though I check the "run as adminstrator" box and tried both windows 7 and 8 compatibility modes.
Starting to think that there is something blocking the NXT client from working because the client not responding can have something to do with an anti-virus blocking it, what anti-virus do you have and can you try pausing it to see if the client launches then?
Something else I would say is sometimes third-party software can cause this type of stuff too so can you please try making a new user profile?