MATLAB(Simulink) 2018a

Why the error is " Failed to load URL with error ERR_TUNNEL_CONNECTION_FAILED(-111)"

Answer 1

[Urmila Rajpurohith]

It may be due to network configuration issue.

You can refer to the below link which solved the similar issue.

https://www.mathworks.com/matlabcentral/answers/416495-matlab-2018a-proxy-settings-for-downloading-add-ons?s_tid=answers_rc1-3_p3_MLT