MATLAB: Do I get the “LoadLibrary failed with error 126: The specified module could not be found” when using the plot command

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When I try to use graphic functions such as "plot" I get a dialog box with the text:

LoadLibrary failed with error 126: The specified module could not be found

In some occasions, MATLAB also exits unexpectedly.

This issue started after updating my Operative System.

This issue is caused by the OpenGL renderer.

1. The recommended option is to update the graphics card drivers.

2. It is also possible to switch to OpenGL software renderer.

>> opengl software

3. If switching to OpenGL software does not work, try changing the default renderer to "Painters".

To set the default renderer to "Painters", you can copy the below line to your "startup.m" file.

>> set(0,'DefaultFigureRenderer','Painters')

For more information on the "startup.m" file, please refer to the following page in the documentation:

For more information on renderers in MATLAB, please refer to the following page in the documentation:

This issue is likely because MATLAB is using 'painters' renderer to render 3D graphics.

Change the default renderer to opengl by executing this command:

>> set(0, 'DefaultFigureRenderer', 'opengl');

Please also check the startup.m file to verify if the 'DefaultFigureRenderer' is mistakenly set to 'painters'.

Is your "startup.m" file located at your userpath? If it is located somewhere else, you may not get the behavior that you are expecting.

To locate your userpath, type:

>> userpath

To locate your "startup.m" file (if it is somewhere on your path), type:

>> which startup

The "userpath" is the standard location for the "startup.m" file. Here is the MATLAB Documentation page describing the use of a "startup.m" file: