MATLAB: Licensing Error -9,57.

error -9license error managerlicensing error

I am a student at Cal Poly, San Luis Obispo and need to run Matlab. I paid the $99 and downloaded the program. I need it for my assignments today, however it is showing an error when I try to open the program. The error pop-up is attached.
Thank you for helping me out.
Regards,
Steven
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