Q: iPhone & iPad connect to iTunes. iTunes work perfectly with these.

Hello milesy12,

Thanks for using Apple Support Communities.

To troubleshoot this issue where iTunes becomes unresponsive when you connect an iOS device to your computer please follow the steps in the article below.

iTunes: May become unresponsive when connecting iPhone, iPad, or iPod touch

Take care,

Alex H.

Hello milesy12,

Thanks for using Apple Support Communities.

The instructions to create a new user on a Mac or PC can be found in the support article linked to originally.

 

If the issue does not happen on a different computer, or no other computer is available to try

It can be useful to determine if the issue affects a specific computer user account or all accounts.
Follow the steps below for your operating system to create a new user account to test.

Windows XP

1. From the Start menu, choose Control Panel.
2. Open User accounts.
3. Select Create a new account and follow the instructions to complete the account setup process.
4. Once the new account is created, choose Log Off from the Start menu.
5. Log in to the newly created user account.
6. Open iTunes and determine whether the issue you were experiencing persists in this new user.

Windows Vista or Windows 7

1. From the Start menu, choose Control Panel.
2. Open Add or remove user accounts (If using the Classic View in Windows Vista, open User Accounts. Then open Manage another account).
3. Select Create a new account and follow the instructions to complete the account setup process.
4. Once the new account is created, choose Log Off from the Start menu.
5. Log in to the newly created user account.
6. Open iTunes and determine whether the issue you were experiencing persists in this new user.

Mac OS X

1. From the Apple () menu, choose System Preferences.
2. Click Accounts.
3. Click the Add (+) button below the list of accounts.
4. Choose a type of account from the New Account pop-up menu. Make the new account an administrator.
5. Enter a name for the account.
6. Click Create Account.
7. Click the Apple () menu and then choose Log out.
8. When the login screen appears, log in to the new user you just created.
9. Open iTunes and determine whether the issue you were experiencing persists in this new user.

 

iTunes: May become unresponsive when connecting iPhone, iPad, or iPod touch

Take care,

Alex H.