Why do I receive MathWorks Licensing Error 34 when I start MATLAB?

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MathWorks Support Team
MathWorks Support Team on 5 Feb 2010
Edited: MathWorks Support Team on 13 May 2025
When I start MATLAB, I receive an error message that says "MathWorks Licensing Error 34".

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Accepted Answer

MathWorks Support Team
MathWorks Support Team on 13 May 2025
Edited: MathWorks Support Team on 13 May 2025
This error indicates that your system date is not correct. Check your computer's date & time to make sure that it is accurate. After correcting this, try starting MATLAB again.

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