are you experiencing those problems in a physical or virtual display?
Have you tried restarting the server rather than rebooting (/usr/NX/bin/nxserver –restart)?We had issues in the past with window managers grabbing the mouse and never releasing, so try also this one: compiz –restart
If you want to provide log files, please create a tarball including:
– the directory $HOME/.nx
– the directory /usr/NX/var/log