Here's what I get when I try to start the Image Viewer from the Command Window, Apps tab:
Warning: The following error was caught while executing
'images.internal.app.viewer.ImageViewer' class destructor:
Error using matlab.graphics.internal.hgdelete
Cannot access method 'delete' in class 'matlab.ui.Root'.
Error in images.internal.app.viewer.ImageViewer/deleteAppComponents
Error in images.internal.app.viewer.ImageViewer/delete
Error in images.internal.app.viewer.ImageViewer
Error in imageViewer>createImageViewer (line 117)
images.internal.app.viewer.ImageViewer( imageSource, ...
Error in imageViewer (line 63)
createImageViewer(imageSource, options);
> In images.internal.app.viewer.ImageViewer
In imageViewer>createImageViewer (line 117)
In imageViewer (line 63)
Error using imageViewer
Image Viewer app launch failed:
Reason: Cannot access method 'delete' in class 'matlab.ui.Root'.