>Is the LOGOHEADER.RPT file in the exact same directory as the parent report on the client site? If not, you may want to give that a try as well.

It is, and the directory structure is the same from APP\CRYSTAL\REPORTS down. It's only above that (MYMACHINE\\CDRIVE\\PROJECTS, etc., etc.) that it differs. So if the knuckleheads at Crystal Decisions had just stored a relative path, all would work just fine. But, nooooo......