Why do I get a connection error (1800, 1801, 1802, 1803, 1804, 1805, 1811) when updating MATLAB?
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Why do I get a connection error (1800, 1801, 1802, 1803, 1804, 1805, 1811) when updating MATLAB?
Accepted Answer
MathWorks Support Team
on 30 Mar 2026
0 votes
The MATLAB update installer was unable to communicate with MathWorks. To troubleshoot this error, please refer to the article below.
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