Package: x2goserver Version: 4.1.0.2 I tried with and without "extension GLX" turned on but I cannot connect to my ubuntu 18.04 installation with x2go server 4.1.0.2 from windows 10 with x2go client 4.1.2.0. Syslog is not very clear about the problem. This is with GLX turned off: Nov 8 11:52:46 Hostname systemd[1]: Started Session 37 of user asdf. Nov 8 11:52:51 Hostname /usr/bin/x2gostartagent: successfully started X2Go Agent session with ID asdf-50-1541695969_stDUNITY_dp32 Nov 8 11:52:55 Hostname /usr/bin/x2gosetkeyboard: Setting X keyboard according to /home/asdf/.x2go/C-asdf-50-1541695969_stDUNITY_dp32/keyboard Nov 8 11:52:55 Hostname /usr/bin/x2goruncommand: launching session with Xsession-x2go mechanism, using STARTUP="/usr/bin/gnome-session --session=ubuntu" Nov 8 11:52:55 Hostname /usr/bin/x2goruncommand: dbus wrapper available as /usr/bin/dbus-run-session Nov 8 11:52:56 Hostname gnome-session[32292]: gnome-session-binary[32292]: WARNING: software acceleration check failed: Child process exited with code 1 Nov 8 11:52:56 Hostname gnome-session[32292]: gnome-session-binary[32292]: CRITICAL: We failed, but the fail whale is dead. Sorry.... Nov 8 11:52:56 Hostname gnome-session-binary[32292]: WARNING: software acceleration check failed: Child process exited with code 1 Nov 8 11:52:56 Hostname gnome-session-binary[32292]: CRITICAL: We failed, but the fail whale is dead. Sorry.... Nov 8 11:52:56 Hostname /usr/bin/x2gomountdirs[32151]: successfully mounted asdf@127.0.0.1:38259/cygdrive/C/Users/asdf/X2GO~1/S-B491~1/spool to /tmp/.x2go-asdf/spool/C-asdf-50-1541695969_stDUNITY_dp32 Nov 8 11:52:57 Hostname /usr/bin/x2goumount-session[32489]: successfully unmounted "/tmp/.x2go-asdf/spool/C-asdf-50-1541695969_stDUNITY_dp32" Nov 8 11:53:02 Hostname snapd[774]: 2018/11/08 11:53:02.974149 autorefresh.go:376: Cannot prepare auto-refresh change: cannot refresh snap-declaration for "gnome-system-monitor": Get https://api.snapcraft.io/api/v1/snaps/assertions/snap-declaration/16/9BTClmjz31r0UltmbJ5nnGe0Xm1AzfMp?max-format=2: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers) With best regards, Michael Jaentsch