FCP7 - incorrect Scratch Disk Settings. Now Final Cut won't open.

I deleted my Final Cut Pro Documents.

Final Cut Pro wouldn't open, as there was no Scratch Disk.

I got the Final Cut Pro Docs out of the trash, but incorrectly set the Scratch Disk to Users/Username/Documents/Additional Easy Setups

Now FInal Cut doesn't go beyond the license screen, so i have no way of correcting the Scratch Disk Settings.

How can I force Final Cut to Open to allow me to se the Scratch Disk to the correct folder ?