Prefs



Preferences

AboutThatMac

of an unknown error.

the “AboutThatMac Prefs” file is in use by another application.

the disk is locked.

the “AboutThatMac Prefs” file is locked.

You won’t be able to save the preferences, because 

A fatal error has occurred: the default preferences are invalid. 

The preferences in "AboutThatMac Prefs" are invalid.  They will be replaced by the defaults.