🚀 go-pugleaf

This is the infamous "Thesaurus bundle bit" problem, which didn't
show up until System 6. The problem: the first release was shipped
(1.0) with the bundle bit set on in the thesaurus and dictionary
files (possibly others; I don't remember exactly). This screws up 
the entry in the desktop file that would normally launch FWP when
double-clicking the document.

The fix: set the bundle off in the thesaurus and any other files
shipped with FWP other than the application itself; then rebuild
the desktop to register the correct application.

Or, call Customer Service at (213) 329-9989 to trade in your disks
for disks on which this has already been done.  Or even better,
hold out for a week or so:  you may have already won Release 1.1,
and it should be on its way out to you. 

--Cy Shuster--