Why do I receive "Connection Error (Error 1800, 1801, 1802, 1803, 1804, 1805, or 1811)" when updating MATLAB?

Why do I receive "Connection Error (Error 1800, 1801, 1802, 1803, 1804, 1805, or 1811)" when updating MATLAB?

Answer 1

[MathWorks Support Team]

This error indicates that there is a connection issue when attempting to update MATLAB. To resolve this error, see the troubleshooting steps from the link below.

Why do I get a connection error when installing or activating MATLAB or other MathWorks products?

https://www.mathworks.com/matlabcentral/answers/92634