Hi, if you enter "%userprofile%\appdata\locallow\DragonfieldGame\Dragonfield" in the windows search, it should bring you to a folder.
Inside that folder should be a file called player.log or just player. If inside that file it says something like "unsupported shader" I am afraid your graphics card might be too old to run the game.
If you can not find something like that, you can upload the file somewhere and I can take a look at what might be causing it
Another thing you could try is to delete the files in the folder that you just opened, and also make sure you have extracted the game files using WinRar or 7Zip