Comment 8 for bug 1640171

I'm having the same issue too (Ubuntu 16.10 Yakkety)

lirfana@velociraptor:~$ avogadro
"Avogadro version: 1.1.1 Git:
LibAvogadro version: 1.1.1 Git: "
Locale: "en_US"
Libavogadro translations not found.
System has OpenGL support.
About to test OpenGL capabilities.
OpenGL capabilities found:
 Double Buffering.
 Direct Rendering.
 Antialiasing.
Loading plugins: "/usr/bin/../lib/avogadro/1_1"
Searching for plugins in "/usr/lib/avogadro/1_1"
Searching for plugins in "/usr/lib/avogadro/1_1/colors"
Searching for plugins in "/usr/lib/avogadro/1_1/engines"
Searching for plugins in "/usr/lib/avogadro/1_1/extensions"
Searching for plugins in "/usr/lib/avogadro/1_1/tools"
Loading plugins: "/home/lirfana/.avogadro/1_1/plugins"
Settings are missing for the next engines: ()
QStackedLayout::setCurrentWidget: Widget 0x55fae2836a80 not contained in stack
dev warning: Extension "GAMESS" is using a deprecated DockWidget loading method. See Extension::dockWidgets() documentation.
dev warning: Extension "Orbitals" is using a deprecated DockWidget loading method. See Extension::dockWidgets() documentation.
dev warning: Extension "Python Terminal" is using a deprecated DockWidget loading method. See Extension::dockWidgets() documentation.
dev warning: Extension "Vibration" is using a deprecated DockWidget loading method. See Extension::dockWidgets() documentation.
GLWidget initialisation...
GLSL support enabled, OpenGL 2.0 support confirmed.
GLWidget initialised...
createObjects()
OpenGL extension GL_ARB_texture_rectangle is present.
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: cHRM: invalid chromaticities
^CQt has caught an exception thrown from an event handler. Throwing
exceptions from an event handler is not supported in Qt. You must
reimplement QApplication::notify() and catch all exceptions there.

Thanks.