When I could not plot by SciLab I installed Xorg-Edgers video. And WineHQ worked normally. WineHQ can't start after I installed the library libgl1-mesa-glx ( a workaround of the bug https://bugs.launchpad.net/ubuntu/+source/scilab/+bug/876195 ) and reverted to official Xorg by the command "sudo ppa-purge xorg-edgers": user@Notebook:~$ wine bash: /usr/bin/wine: 5B B0:>3> D09;0 8;8 :0B0;>30 user@Notebook:~$ (This russian text means "No such file or folder") What package(s) is now missing or incompatible??? Please help me! Many thanks for the assistance!