I creating a SB script. I would like to ensure that two people are not
installing simultaneously, or that an earlier installation didn't fail
midway and not properly recover.

I was going to just create a marker file when the install first began,
then delete it at the end, but before I do that I thought I would
check if there's some way to determine that a SB installation is
underway in a given folder?

Mike Hanson
www.boxsoft.net