user28727: I have tried to install many versions of IDE, but non of them has started successfully. There is just the logo of the program shows up and then nothing happens.
My laptop: Toshiba Satellite C50-A630
The releases I have installed: 1.6.12 , 1.6.13, 1.0.6

user29300: I had the same problem with various IDE versions. Deleting the preferences.txt solved the problem for me.

28727: <p>I have tried to install many versions of IDE, but non of them has started successfully. There is just the logo of the program shows up and then nothing happens.
My laptop: Toshiba Satellite C50-A630
The releases I have installed: 1.6.12 , 1.6.13, 1.0.6</p>
 29300: <p>I had the same problem with various IDE versions. Deleting the preferences.txt solved the problem for me.</p>
