Error 379. Invalid activation code

I'm trying to register matlab with the activation key I got from UMass Lowell and but its coming back invalid. I had it activated before two semesters ago for another class so that may be the reason but im not sure how to get a new code. Please Help.

[Muhammad Khalid]

I am a student of second second smester i need this software badly.

i bought it from computer cafe shop now appearin error 379 plz help ,me so that that i can study properly

[Walter Roberson]

you are probably trying to enter an activation where you should be entering a file installation key, or entering a file installation key where you should be entering an activation key.

Answer 1

[Walter Roberson]

https://www.mathworks.com/matlabcentral/answers/196997-why-do-i-receive-an-error-510-when-installing-or-error-7000-or-error-379-when-activating-matlab

In general, see my License Error Cheat Sheet for information about licensing problems https://www.mathworks.com/matlabcentral/answers/404028-license-error-cheat-sheet