Try to chance the session configuration on nxclient to unix-custom instead of unix-gnome.
In application put /usr/bin/nx-session-launcher-suid on 'run the following command' and 'New virtual desktop' on options
Or maybe there is a configuration file on /usr/NX/etc
Try to chance the session configuration on nxclient to unix-custom instead of unix-gnome. nx-session- launcher- suid on 'run the following command' and 'New virtual desktop' on options
In application put /usr/bin/
Or maybe there is a configuration file on /usr/NX/etc