<t>I have upgraded from Ubuntu 16.04 to 16.10, nite works fine with same video card. I reinstalled from Ubuntu software centre, then upgraded to latest version. Trying to install from Sweet home release directly gave a lot of grief. I am an experienced user and maybe it's because of other tweaks ...

<t>Well - I just changed to a Radeon card which according to the Ubuntu website is fully supported (and disabled AMD graphics in BIOS) . <br/>
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Doesn't help - application opens perfectly, everything looks good, then it closes down - happens fast, no error message , maybe as soon as the 3D ...