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

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Accepted Answer

MathWorks Support Team
MathWorks Support Team on 3 Feb 2023
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?

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