In Vista the CSIDL as used in SHGetFolderPath are no longer the way to go . The recommended APIs such as SHGetKnownFolderPath take a KNOWNFOLDERID or actually a REFKNOWNFOLDERID. If you're wondering where those are defined and can't find them, well, I...

As mentioned in the cookbook , 16 bit applications are not going to work on 64 bit Vista. This is nothing new: they didn't run on 64 bit XP or 64 bit Windows Server 2003 either. They are still running as usual on 32 bit Vista. There is however one change...