Intel Core i7-3770K, AMD Radeon R7 200 Series, Windows 7 Pro, VS 2013 Express with XNA Studio 4.0
Fresh install Delta Engine SetUp
From Editor/SampleBrowser i tried some samples and looked into the viewports, all worked well so far ...

Dear Benjamin,

i 've got your xna book, it is really well done!!

Thank you for trying your Delta Engine Editor ... really nice work!
- what shall i do now (see below (*)) ...

Concurrently, i've installed the sources.
From VS 2013, samples (and my graphics card! ;-) ) are still working ...

Regards, Wolfgang

(*) 5 minutes later, after leaving, and restarting:

First: ...

Delta Engine Editor - Fatal Error
=================================
Autofac.Core.DependencyResolutionException:
An exception was thrown while invoking the constructor 'Void .ctor(DeltaEngine.Core.Window)' on type 'OpenGLDevice'.
---> 1, 1 (See inner exception for details.)
---> DeltaEngine.Graphics.OpenGL.OpenGLDevice+ResolutionRequestFailedCouldNotFindResolution: 1, 1
bei DeltaEngine.Graphics.OpenGL.OpenGLDevice.SetViewport(Size viewportSize)
...
...

... and then:

Delta Engine Editor - Fatal Error
=================================
DeltaEngine.Graphics.OpenGL.OpenGLDevice+ResolutionRequestFailedCouldNotFindResolution: 200, 100
bei DeltaEngine.Graphics.OpenGL.OpenGLDevice.SetViewport(Size viewportSize)
bei DeltaEngine.Graphics.OpenGL.OpenGLDevice..ctor(Window window)
bei lambda_method(Closure , Object[] )

... followed by:

Delta Engine Editor - Fatal Error
=================================
DeltaEngine.Graphics.OpenGL.OpenGLDevice+ResolutionRequestFailedCouldNotFindResolution: 1, 1
bei DeltaEngine.Graphics.OpenGL.OpenGLDevice.SetViewport(Size viewportSize)
bei System.Action`1.Invoke(T obj)
bei DeltaEngine.Platforms.Windows.FormsWindow.OnSizeChanged(Object sender, EventArgs e)
...
...