invalid File Installation Key.

i have probblem while i'm runing my matlab and it show this massgee

You have entered an invalid File Installation Key.

what should i do

[Walter Roberson]

Obtain a valid file installation key?

If I recall correctly, file installation keys are version specific. I do not recall at the moment whether they are host specific.

Answer 1

[Sai Sri Pathuri]

You may refer the following answer by MathWorks Support Team

https://in.mathworks.com/matlabcentral/answers/101424-why-does-the-installer-tell-me-i-have-entered-in-an-invalid-file-installation-key-when-installing-us