> > All of them ... ? At least, I'm not aware of any that PostgreSQL > > *doesn't* support ... > > Win32 is not supported on 64bit IIRC. Actually, win32 works just fine on 64bit. Meaning that 32-bit PostgreSQL runs on x64 versions of Windows. Win64, however, is not supported. That would be a 64-bit version of PostgreSQL running on a 64-bit version of Windows. //Magnus