Apple ID is Disabled.

If it is not for security reasons and you cannot download updates or purchases, contact iTunes support: Contact Apple Support

If the message states that your Apple ID is disabled for security reasons see: If your Apple ID is locked or disabled - Apple Support

Follow this guide to get it back up: https://support.apple.com/en-us/HT204106

If that doesn't help you, please contact Apple Support directly using the following link: https://support.apple.com/en-us/HT204169

Hope this helps,
Richard

When you reset an account's password you also need to do : What to do after you change your Apple ID or password - Apple Support

If you've done that : http://www.apple.com/support/itunes/ww