iTunes
Q: Invalid Account
Invalid Account - You cannot use this account to share purchases because it is disabled
iPhone 4S, iOS 7.0.4
Posted on Jun 14, 2016 12:30 PM
by King_Penguin,Apple recommended
iTunes
If the account has been disabled for security reasons then resetting the password might fix it : If your Apple ID has been locked - Apple Support
You might then need to log out and back into your account wherever you're using it : What to do after you change your Apple ID email address or password - Apple Support
If that doesn't fix it then contact iTunes Support : https://www.apple.com/emea/support/itunes/contact.html
Posted on Jun 14, 2016 12:33 PM