Learn 2 Trouble Shooting
The reason for this would be that your ipad's volume is on mute, or is low.
The reason for this is due to having no internet connection. The user must have internet connection before opening the "help" section as it must connect to youtube in order to view the tutorials.
Double tap the home button, and hold on the application, press the - button which will remove the application, reopen the application. This should open with no errors.