What's a Admin ? OSX is the environment which users can use individually. (multiuser)
When logged in, it is important as who are logs in.
Only an administrator can change a system and create new users.
You can check whether you are an administrator or not.Open System Preferences from Apple menu.
Choose "Accounts."
At the left side, you will see the users name list.
The administrator is written to be "Admin" next to the a user name.
I'm Log in as admin but KidsGoGoGo still say "Log in as admin" This trouble cause by the OSX's Permissions Error.
Generally, this kind of trouble may happened after OS update or administrator changes etc.,
The permissions of OSX is fixed in the following steps.1. Launch the "Disk Utility" program in the Utilities folder in Applications folder. 2. Select a boot hard disk from a drive list. 3. Click the "Repair Disk Permissions" button. (Red marked)