Ошибка лицензии для Matlab 2012a на Ubuntu 12.04 (64-разрядная версия)

Я установил Matlab 2012a на ubuntu 12.04, а при предоставлении лицензии обнаруживаю следующую ошибку:

Could not complete Activation because the License File could not be written to disk.  
You might not have write permission on the License File or the folder.
/usr/local/MATLAB/R2012a/licenses/license_Malhar-PC_161052_R2012a.lic  
  See your System Administrator for assistance. The specific error message text is: 
/usr/local/MATLAB/R2012a/licenses/license_Malhar-PC_161052_R2012a.lic
  (No such file or directory).