Yes, that got me on the right track. I'd never heard of Dependency Walker, either. Thanks for introducing me to it, and for the help.
It actually depends on this latest side-by-side of VC2005.:
https://www.microsoft.com/en-us/down....aspx?id=26347
Older versions won't do. I'm assuming that comes stock with Windows 7, but my XP versions were out of date.