About the problem in MATLAB (student option) activation

If you activated MATLAB (student option) after getting MATLAB activation key at the Software Licensing Center (keio.\
jp) from April 7 to April 8 at 18:00, the license expiration date was set to May 1, 2016.

If you installed MATLAB or updated your license during this period, please activate it again.

MATLAB student option license update

We are deeply sorry for your inconvenience.