Remote X11 apps crashing as root
 

Hello, when I try to run X11 apps remotely (over SSH via Exceed) as root, most of them crash with the following errors:

[root@maqo]# konqueror &
[1] 19006
[root@maqo]# Xlib: extension "GLX" missing on display "localhost:10.0".
Xlib: extension "GLX" missing on display "localhost:10.0".
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
Xlib: extension "GLX" missing on display "localhost:10.0".
Xlib: extension "GLX" missing on display "localhost:10.0".
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
kbuildsycoca running...
DCOP Cleaning up dead connections.
kded: WARNING: KGenericFactory: instance requested but no instance name passed to the constructor!
kded: WARNING: KGenericFactory: instance requested but no instance name passed to the constructor!
KCrash: Application 'konqueror' crashing...

Regular users get identical errors, but the applications don't crash:

[maqo@maqo]$ konqueror &
[1] 19023
[maqo@maqo]$ Xlib: extension "GLX" missing on display "localhost:10.0".
Xlib: extension "GLX" missing on display "localhost:10.0".
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
Xlib: extension "GLX" missing on display "localhost:10.0".
Xlib: extension "GLX" missing on display "localhost:10.0".
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
kbuildsycoca running...
DCOP Cleaning up dead connections.
kded: WARNING: KGenericFactory: instance requested but no instance name passed to the constructor!
kded: WARNING: KGenericFactory: instance requested but no instance name passed to the constructor!

What could be causing this? Many thanks!

EDIT: This is only a problem when using Exceed as an Xserver (even with the GLX extensions enabled), Cygwin works perfectly.