Your iTunes library is located in a non-standard location (such as a different hard drive) The Modified Date should now reflect the current time. If you are an advanced user, you can confirm the iTunes XML file was correctly created or updated by using Windows Explorer to navigate to your iTunes folder.Relaunch doubleTwist Sync and any missing iTunes playlists should now be imported.Select Preferences, go to Advanced Preferences and make sure the iTunes Library XML with other applications setting is checked.Launch iTunes and go to the iTunes Edit menu.If it is already enabled, try toggling it from on to off and then back to on to force the iTunes XML file to be created/updated. Starting with iTunes 12.2, Apple decided to make life harder for users and music developers by introducing a new setting in iTunes Preferences, in the Advanced section, called 'Share iTunes Library XML with other applications'. Your iTunes library is located in a non-standard location (such as a different hard drive). The iTunes setting for sharing your music library info with other apps (iTunes Library XML) may be set to OFF by default. If doubleTwist Sync on your Windows PC doesn't auto-detect your iTunes library or playlists, one of two things may be happening:

Doubletwist itunes