The Solaris 2.1 for x86 OpenWindows filemgr does not work against a
X11R5 Xserver, it probably will also not work against a X11R6
Attempting to 'Drag and Drop' a file causes the filemgr to abort
with a 'X error'
Solaris 2.4 does not have this problem.
There is no known work around.