Mine

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\IriX64>cd \usr\brlcad\bin

C:\usr\brlcad\bin>mged
Initializing and backgrounding, please wait...no display name and no $DISPLAY en
vironment variable
MGED Aborted.
Done

C:\usr\brlcad\bin>mged -c
BRL-CAD Release 9.9.9   Geometry Editor (MGED)
    Wed Apr 18 14:10:11 EST 2007, Compilation 6
    IriX64@FthrNtr:/home/IriX64/brlcad-9.9.9/src/mged

attach (nu|X|ogl)[nu]? ogl
mged>