Your description of what is happening is confusing because different parts apply to completely different scenarios. What is it you are trying to do and what is the exact wording of the error message?
Contact Apple for help with Apple ID account security - https://support.apple.com/HT204169 "This article provides country-specific Apple Support contact information for customers seeking help with their Apple ID password or other security-related issues." Better for directly reporting an issue.
iTunes [Store] Support - Use this form for assistance with account and billing, code redemption, or purchase questions - https://ssl.apple.com/emea/support/itunes/contact.html
If you see the Connect to iTunes screen on your iPhone, iPad, or iPod touch - https://support.apple.com/HT203122