install matlab error

Hello, I'm tring to install matlab r2011b in mac air with lion but the installer doesn't work, the console report this:

Preparing installation files ... Installing ... Exception in thread "main" java.lang.NoClassDefFoundError: com/mathworks/installwizard/Launcher Caused by: java.lang.ClassNotFoundException: com.mathworks.installwizard.Launcher at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) Finished logout

I find in the assistance this error and say that probably there is a problem in the path of the installation file...but i check it and there are not space or non-alphanumeric char...please help me!

Answer 1

[Cindy]

Is there a space in one of the folders that contains your installation files?

Besides a space, this will also happen for versions R2011b and older if there's a non-alphanumeric character in the path to the installation files.

Answer 2

[Image Analyst]

See the FAQ http://matlab.wikia.com/wiki/FAQ#During_installation.2C_MATLAB_crashes.2C_hangs.2C_gives_an_error_message_or_otherwise_does_not_install_correctly. if you don't get an answer by tomorrow morning.