The logs show a crash in the Intel graphics drivers. You can check to see if there is an update for the driver and if this fixes the problem.
If not, please try disabling hardware decoding in the NoMachine Windows client configuration.
You can disable it completely in the player.cfg. Please edit the file $HOME/.nx/config/player.cfg and set the configuration key “Enable hardware accelerated decoding” to “disabled”. Before changing the configuration key, you should first quit the NoMachine Player (you can do this by right clicking on the !M icon in the system tray and selecting ‘Quit NoMachine Player’.