my account is blocked App Store and ITunes

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 you see a message that says 'Your account has been disabled in the App Store and iTunes' - Apple Support

According to "If you see a message that says 'Your account has been disabled in the App Store and iTunes' - Apple Support:"

"Contact Apple Support for help.

If you see a message that says "Your account has been disabled in the App Store and iTunes," there might be a problem with the payment method that you have on file.

When you see the message, don't try to edit any of your account information. Instead, contact Apple Support for help."