Can’t use the app

This is primarily a user-to-user support forum; other Apple users like you. You will need to contact Apple Support. See instructions in: If a message says 'Your account has been disabled in the App Store and iTunes' - Apple Support

wiley230 Said:

"Can’t use the app: I try to download and it says my account is disabled"

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Why Accounts Become Disabled:

When your iTunes Account has been disabled, and that often happens due to suspicious activity --- Perhaps nothing on your part. They disable it for no more than Security & Privacy concerns.

Possible Reasons Could Include: 

• Too many unsuccessful login attempts
• VPN (Virtual Private Network) usage
• Consistent transactions
• Session Times Out
• Disobeying Terms & Conditions

So...

To Re-Enable it:

As you might suspect, no one here would know the reason for this occurrence, of course. So, contact Apple Support. They’ll know why this occurred and will run you right through the fix.

Contact Apple Support:

• Contact Us - Choose Locations
• Proceed from there as necessary
• Note: Phone calls are taking a bit to go through at the moment, due do lots of calls. With the Coronavirus Pandemic, many are at home at the moment, with much time on their hands to contact Apple. So, just stay on the line, and you will get through :)