Your last log is a bit mysterious, as the is no error at the end of it - did you Cntrl, Alt Del by any chance.
In your post above that, this may look like the culprit:
15:51:46.3 31/10/2016: 21 Consecutive Exceptions Occured
15:51:46.3 31/10/2016: Error en la aplicación.
15:51:46.3 31/10/2016: en Microsoft.DirectX.Direct3D.Sprite.Begin(SpriteFlags flags)
15:51:46.3 31/10/2016: en Direct2D.Direct2d.Surface.Draw(RectangleF DesRect, Rectangle SrcRect, Byte Alpha, Byte Red, Byte Green, Byte Blue, Double Rotation, Boolean rotate)
15:51:46.3 31/10/2016: en Direct2D.Direct2d.Surface.Draw(RectangleF DesRect, Rectangle SrcRect, Byte Alpha)
15:51:46.3 31/10/2016: en Direct2D.Direct2d.Surface.Draw(RectangleF DesRect, RectangleF SrcRect, Byte Alpha)
15:51:46.3 31/10/2016: en GameEx.GameEx.MainForm.h(Boolean A_0, Boolean A_1)
15:51:46.3 31/10/2016: en GameEx.GameEx.MainForm.d1()
15:51:46.3 31/10/2016: Trying reinitialising the display after sleeping for 4 seconds
15:51:46.3 31/10/2016: Exception count will be dropped to 15
15:52:14.3 31/10/2016: Exiting GameEx!
However, can't see any obvious cause. You had any hardware changes to your graphics cards etc recently?