I have tested on two systems and was able to reproduce the problem once.
If I install that on a system with no graphic acceleration and use Unity 2D as default environment, xrdp is working fine.
With the system using the regular Unity (3D), only the wall paper and nautilus appears.
Solution would be to force xrdp to use Unity 2D.
I have tested on two systems and was able to reproduce the problem once.
If I install that on a system with no graphic acceleration and use Unity 2D as default environment, xrdp is working fine.
With the system using the regular Unity (3D), only the wall paper and nautilus appears.
Solution would be to force xrdp to use Unity 2D.