Why do I receive "Download Error (Error 34)" when updating MATLAB?

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Why do I receive "Download Error (Error 34) There was an error downloading the update. Check your internet connection and then restart the update." when updating MATLAB?

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 3 Feb 2023
This is likely being caused by interference outside of MATLAB that is blocking the download, such as a firewall. Please view the link below for full troubleshooting steps:Why do I get a connection error when installing or activating MATLAB or other MathWorks products?https://www.mathworks.com/matlabcentral/answers/92634

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