Some functions of MB STUDIO require to display the file extensions. By deafult Windows do not display the file extensions, ex: the file spot.mp3 is displayed as spot but at same time others files with the same name but a different extension could exists in the computer, ex: spot.wav, spot.wma, spot.mp4. So it's important to display the file extensions.

To display file extensions follow this steps:


Uncheck it and click Apply, then "Apply to folders" and then OK.