Can you upload your Stonehearth.log file? It should be in the game install directory. The default Steam location is C:\Program Files (x86)\Steam\steamapps\common\Stonehearth. And if there’s a crash.dmp in the same folder, it could help narrow the issue down further. The error suggest it’s a graphics issue, so please let us know what your graphics card is.
You can also try some of the common solutions listed in Crashing on start? Read this! UPDATED October 18, 2016.