In the original version of QuickBooks (the one you are converting from):

To remove shortcuts from the Icon Bar:

1. Login as one of your users
2. Click on View>Customize Icon Bar
3. Click the Open PO List under the Icon bar Content
4. Click the Delete button
5. With each user follow steps 1-5 until none have the Open PO List as a shortcut.

If you continue to get this message, there may be other shortcuts causing the problem as well. You can remove all the shortcuts from the icon bar and set them up again later.

To change the Admin user password:

1. Log in as the Admin user
2. Click on Company>Set Up Users and Passwords>Change your password

To delete all users but the Admin user:

1. Log in as the Admin user
2. Click on Company>Set Up Users and Passwords>Set up Users
3. On the User List, click on each user that is not the (Admin User) one at a time
4. Click Delete User