We had a blast, Detroit. Thanks for having us.
On a brisk November night the city of Detroit — no, the entire Detroit region — turned out for our first Meetup in the Motor City. We took over all four floors of Hockeytown Cafe.
I searched for:Unable to locate theme engine in module_pathand came up with some interesting results ...one idea that stick out means reinstalling the theme you are using:sudo apt-get install --reinstall gtk2-engines
sudo apt-get install gtk2-engines-pixbuf
sudo apt-get install --reinstall gtk2-engines gtk-murrine-engine gtk-equinox-engineor what ever ...
Most people don't bother about what MySQL engine they are using. Generally, it doesn't even matter, the default MyISAM does the job really well but sometimes switching to some other engine or at least knowing what others are capable of, could speed up a lot of things for you. Managing transactions for a Financial website was how I came across InnoDB engine at first.
The answer re other engines is, "Even the Xfce engine is slow as a turtle on my Mac G4." I'm starting to become convinced that there is something broken about the way GTK renders things, especially when using engines.