Please confirm the information below first:
1.Please use iTunes version 12.6 to 12.9.
2.Please make sure iTunes is signed in, iTunes authorized the computer.
3.The Apple ID you used to sign in iTunes is not locked.
4.You can play the original iTunes movie on the computer.
5.Convert the movie rentals before the rental period ends.
6.iTunes movies can not be converted on Mac OS X 10.13 or later OS.
If above are confirmed, please restart Leawo and re-try to see if the same problem persists.
If yes, please contact us with the following information:
1.The iTunes version you are using.
2.The video names you are converting.
3.Please click top Setting>Help in Leawo Prof. DRM to submit Bug Report.