Hi philipp, It seems I've got very similar problem with CRJ-200, but can not solve it. Running X-Plane 10 beta 7 on fresh install of Ubuntu x64 (only installed 32libs and nvidia driver), CRJ-200 loaded, switches can move, but nothing happens and plane is actually "dead". CRJAvionics plugin can not be started. Part of log.txt: Loaded: /home/vlado/X-Plane 10/Resources/plugins/PluginAdmin/32/lin.xpl... and then Loaded: /home/vlado/X-Plane 10/Aircraft/X-Aviation/CRJ-200/plugins/CRJAvionics/lin.xpl... and finally [CRJ] Can't create webserver for CDU, neither IPv6 nor IPv4, giving up. bind: Address already in useI followed your instructions to previous poster: sudo apt-get install miredoand enabled iPv6, and can ping my own IPV6 and IPV4 addresses: ping 192.168.1.252ping6 -I eth1 fe80::64b:80ff:fe80:8004but still CRJ-200 is dead. ldd linux.xpl gives: ldd lin.xpl linux-gate.so.1 => (0xf76e4000) libfreetype.so.6 => /usr/lib/i386-linux-gnu/libfreetype.so.6 (0xf72b0000) libGLEW.so.1.5 => /home/vlado/X-Plane 10/Aircraft/X-Aviation/CRJ-200/plugins/CRJAvionics/./liblinux/libGLEW.so.1.5 (0xf7264000) libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf7248000) libQtGui.so.4 => /usr/lib/i386-linux-gnu/libQtGui.so.4 (0xf6775000) libQtCore.so.4 => /usr/lib/i386-linux-gnu/libQtCore.so.4 (0xf6498000) libstdc++.so.6 => /usr/lib/i386-linux-gnu/libstdc++.so.6 (0xf63b3000) libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf6387000) libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf6368000) libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf61be000) /lib/ld-linux.so.2 (0xf76e5000) libz.so.1 => /lib/i386-linux-gnu/libz.so.1 (0xf61a8000) libXmu.so.6 => /usr/lib/i386-linux-gnu/libXmu.so.6 (0xf618f000) libXi.so.6 => /usr/lib/i386-linux-gnu/libXi.so.6 (0xf617f000) libGLU.so.1 => /usr/lib/i386-linux-gnu/libGLU.so.1 (0xf6109000) libGL.so.1 => /usr/lib32/nvidia-current/libGL.so.1 (0xf6031000) libXext.so.6 => /usr/lib/i386-linux-gnu/libXext.so.6 (0xf601f000) libX11.so.6 => /usr/lib/i386-linux-gnu/libX11.so.6 (0xf5eeb000) libfontconfig.so.1 => /usr/lib/i386-linux-gnu/libfontconfig.so.1 (0xf5eb7000) libaudio.so.2 => /usr/lib/i386-linux-gnu/libaudio.so.2 (0xf5e9d000) libglib-2.0.so.0 => /lib/i386-linux-gnu/libglib-2.0.so.0 (0xf5da4000) libpng12.so.0 => /lib/i386-linux-gnu/libpng12.so.0 (0xf5d7a000) libgobject-2.0.so.0 => /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 (0xf5d2b000) libSM.so.6 => /usr/lib/i386-linux-gnu/libSM.so.6 (0xf5d22000) libICE.so.6 => /usr/lib/i386-linux-gnu/libICE.so.6 (0xf5d07000) libXrender.so.1 => /usr/lib/i386-linux-gnu/libXrender.so.1 (0xf5cfd000) libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf5cf8000) librt.so.1 => /lib/i386-linux-gnu/librt.so.1 (0xf5cef000) libXt.so.6 => /usr/lib/i386-linux-gnu/libXt.so.6 (0xf5c93000) libnvidia-tls.so.295.40 => /usr/lib32/nvidia-current/tls/libnvidia-tls.so.295.40 (0xf5c8e000) libnvidia-glcore.so.295.40 => /usr/lib32/nvidia-current/libnvidia-glcore.so.295.40 (0xf4058000) libxcb.so.1 => /usr/lib/i386-linux-gnu/libxcb.so.1 (0xf4037000) libexpat.so.1 => /lib/i386-linux-gnu/libexpat.so.1 (0xf400d000) libXau.so.6 => /usr/lib/i386-linux-gnu/libXau.so.6 (0xf4009000) libpcre.so.3 => /lib/i386-linux-gnu/libpcre.so.3 (0xf3fcc000) libffi.so.6 => /usr/lib/i386-linux-gnu/libffi.so.6 (0xf3fc5000) libuuid.so.1 => /lib/i386-linux-gnu/libuuid.so.1 (0xf3fbf000) libXdmcp.so.6 => /usr/lib/i386-linux-gnu/libXdmcp.so.6 (0xf3fb8000)vlado@vlado-linux:~/X-Plane 10/Aircraft/X-Aviation/CRJ-200/plugins/CRJAvionics$ Any advice ?