The way to disable startup application in MAC OS

[yteng]

1. Step 1, Right click at the Application Icon at your Dock (bottom usually)
2. In right popup small window(menu) for the Application, then select “Open At Login” to disable the application auto-start at login.

that is all.

 

[GGJstudios]

1. Step 1, Right click at the Application Icon at your Dock (bottom usually)
2. In right popup small window(menu) for the Application, then select “Open At Login” to disable the application auto-start at login.

that is all.

That only works if the application in question currently appears on the Dock. A more thorough method is System Preferences > Accounts > Login Items