I understand that you are facing issues with MATLAB R2023b showing "problem with the internet connection or the service being unavailable". You can follow the steps below to understand and troubleshoot the error.
- Verify if the MATLAB login service is temporarily down or experiencing any disruptions. You can visit the MathWorks Application Status page to check for any known issues. https://status.mathworks.com
- You can also refer to the following MATLAB Answer to understand why you are facing the issue and try out the suggested fix. https://www.mathworks.com/matlabcentral/answers/92634-why-do-i-get-a-connection-error-when-installing-or-activating-matlab-or-other-mathworks-products?s_tid=srchtitle
- If the issue persists, consider uninstalling the current version of MATLAB and reinstalling a fresh one. Please refer to the following link for MATLAB installation instructions. https://www.mathworks.com/help/install/ug/install-products-with-internet-connection.html
I hope it helps!
