To continue using MATLAB, you can either download and install the newest version (follow steps 5-12 above), or use the MATLAB activation client to update your license for the installed version.
The university renews the MATLAB TAH license each July around this time your MATLAB application will begin displaying expiration warnings. It made me undergo the same steps until this popped out.
Because it prompted me to activate it again. I restarted my computer and tried activating it again. Then installation was finished so it instructed me to restart my computer. I used the network.lic as the license file and MATLAB accepted it. For more information see this bug report. Note this applies only if your application uses MATLAB apps authored with MATLAB App Designer (.mlapp files). After installing the MATLAB Runtime for one of these releases, you should apply the latest Update by clicking on the appropriate Update link below.
Important security fixes are available for the R2016a, R2016b, and R2017a releases of the MATLAB Runtime.
