Failed to execute launch "wmctrl -c :ACTIVE:"
Sometimes the system just boots into Landscape mode and is unresponsive for a couple of minutes until the window pops up with the following message:
Failed to execute command "launch "wmctrl -c :ACTIVE:"".
Failed to execute child process "launch" (No such file or directory)
And then the touch screen is still not responding, so one has to shutdown forcibly (by long press of power slide) and restore the rootfs from yesterday's backup (carefully excluding ~/texlive and ~/.texlive* created during 3 hours installation of TeX Live 2016 just now).
Any ideas what caused the failure to launch "launch"?
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