Thanks for the info, but I can't reproduce. Paul Watt wrote: BIF_RETURNFSANCESTORS definitely excludes the root dir, which might be the difference between the two flags, and this flag also excludes the use of certain network shares. With these flags, I do get root directories (C:\ for example): BIF_RETURNONLYFSDIRS | BIF_NEWDIALOGSTYLE | BIF_UAHINT | BIF_RETURNFSANCESTORS Weird, huh? Thanks anyway. I'm not blocked by this problem thankfully. /* Charles Oppermann */ http://weblogs.asp.net/chuckop