Why do I receive the error "Unknown Windows exception of type=c000001d" and a MSVC Runtime crash or Application Failed to Initialize Properly (0xc000001d) when starting MATLAB?

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MathWorks Support Team on 10 Nov 2011

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Edited: MathWorks Support Team on 1 Aug 2023

The error that appears in the Command Window is:

ERROR: Unknown Windows exception of type=c000001d was not caught.1 assert/signal failures have occurred;  MATLAB will abort in 10 seconds.

Then a pop-up window containing the message below appears, and after clicking OK, MATLAB closes:

ERROR: Runtime Error!
Program: C:\Program Files\MATLAB\R2008b\bin\win32\MATLAB.exe
This application has requested the Runtime to terminate it in an unusual way.  Please contact the application's support team for more information.

Also, MATLAB may give me the error:

ERROR: Application Failed to Initialize Properly (0xc000001d)

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Answer 1

MathWorks Support Team on 29 Jun 2023

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Edited: MathWorks Support Team on 1 Aug 2023

This problem is usually caused by using unsupported hardware such as a processor that does not support the Streaming SIMD Extensions 2 (SSE2) instruction set (e.g. Intel Pentium III, AMD Athlon 32-bit). Check the following page to ensure that your system meets the specified requirements:

https://www.mathworks.com/support/requirements/matlab-system-requirements.html

There are no workarounds to make MATLAB 7.6 (R2008a) or higher to run on a processor that does not support the SSE2 instruction set.