Welcome to Event-o-Pedia
Ex: logon failure -"account disabled" -"LogType:Windows Event Log"
Found categories (1 - Events, 0 - Folders):
EventID 4785 - A member was added to a basic application group.
An application group is a group of users, computers, or other security principals. An application group is not a group of applications. Find more information about this event  on ultimatewindows...
Operating System->Microsoft Windows->Built-in logs->Windows 2008 or higher->Security Log->Account Management->Application Group Management->EventID 4785 - A member was added to a basic application group.