Many thanks to ps4330@okc01.jccbi.gov (Peter Schauss x 2014) for telling me 
to add the line
	map archive = no
to my smb.conf. This did the trick!
Thanks to anyone else who has already sent suggestions if I haven't received 
them yet.
Original post below:
>Managers,
>
>We have a mixed environment of Sparc 10's running 4.1.3 and Win95/NT boxes. 
>The Win95 users are accessing the Sun files with Samba 1.9.16p11. There are 
>programs that are created on the PeeCee boxes and then saved on the Sun, to 
>be viewed later by the Sun users. Because of peculiarities with Samba, these 
>files have the execute perm set for the user - but not for group or other.
>
>Here's the problem: When one of the Sun users - who didn't create the file - 
>tries to double-click one of the PeeCee-created files via File Manager, 
>filemgr tries to execute the file, even though the filemgr user doesn't have 
>execute permissions on the file, and the file isn't even meant to be 
executed.
>
>This seems to be a bug in filemgr, where it assumes that anyone should 
>execute a file even though only the user has the permission to do so.
>
>I checked Sunsolve, and while there are several bugs that are very similar 
to
>this, none of them were close enough to be much help.
>
>I also realize that this problem could be avoided by a simple chmod. 
>Unfortunately, our user group here is neither sophisticated nor patient 
>enough to do this. They just want to double click in filemgr and expect 
>everything to work properly.
>
>Thanks in advance, and I'll summarize
>
>-- 
>=============================================================================
>Sean Ward, Systems Bum			+1-303-401-1530 voice
>Amgen Boulder				+1-303-938-6244 fax
>3200 Walnut St. 			seanw@amgen.com
>Boulder, CO 80301 USA			...uunet!amgen!seanw
>
>"Hopelessly lost, but making good time..."  - Letterman
>=============================================================================