However, many users have reported issues shown above. When iTunes works properly, it does help you a lot when it comes to iOS data transfer. ITunes serves to transfer or manage your iPhone/iPad/iPad content by backing up your iDevice content to the computer, syncing files from computer to your iOS device or deleting items on your device from the computer. 'iTunes stopped working on my PC running Windows 7. 'I want to sync photos from PC to my new iPhone X, but iTunes won't launch on my Windows 10 PC.' 'iTunes won't open on my PC running Windows 10.