Random code in TextEdit window open after reboot
MacBook Pro, OS X El Capitan (10.11.1)
MacBook Pro, OS X El Capitan (10.11.1)
If the pop up does not happen in safe mode, try looking into the login items.
This is the public forums. If you are having trouble with your Beta install:
I'm not sure it's related to the Beta at all, though. I believe I've had this happen before I had the Beta installed.
Random code in TextEdit window open after reboot