That happened to me as well (also not a programmer). It is because the directory with the sounds and images, called 'res', is not in the right place. You need to move the 'res' folder into the 'bin' folder.
That happened to me as well (also not a programmer). It is because the directory with the sounds and images, called 'res', is not in the right place. You need to move the 'res' folder into the 'bin' folder.