Why do I get a connection error (1800, 1801, 1802, 1803, 1804, 1805, 1811) when updating MATLAB?

Why do I get a connection error (1800, 1801, 1802, 1803, 1804, 1805, 1811) when updating MATLAB?

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MathWorks Support Team
MathWorks Support Team 2026 年 3 月 30 日

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The MATLAB update installer was unable to communicate with MathWorks. To troubleshoot this error, please refer to the article below.

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