I would really appreciate if you could help us determine the most helpful solution. Which method worked for you? Feel free to let us know in the comment section below. Then, test the behavior in different user profiles or with a different (If the problems only occur in your profile, it might be possible that some of the iTunes preferences files are deleted. In the App Switcher view (double-click the Home button), swipe up on the iTunes App to close it, then try opening it again.
Disable any non-Microsoft anti-virus software and check if that has any impact on the iTunes behavior.
(Click on Start > type Programs and features and press Enter > Search for the iTunes app > Right-click it > Choose Repair)
