http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48713
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kargl at gcc dot gnu.org --- Comment #2 from kargl at gcc dot gnu.org 2011-04-21 16:56:14 UTC --- (In reply to comment #0) > Target: i586-pc-mingw32 > This system is running Windows Vista Home Premium, 64 bit, sp2. I think you may have the wrong version of gfortran. You are running a 64-bit OS but trying to use a 32-bit version of the software. I don't do Windows, but I suspect you want the MinGW for Win64 from the gfortran wiki