diff --git a/.gitignore b/.gitignore
index 8e461ca..2934c18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-
+.vs
 *.user
 *.suo
 /DependencyViewer.Common/bin/
diff --git a/DependencyViewer.Common/Graphing/QuickGraphProcessor.cs b/DependencyViewer.Common/Graphing/QuickGraphProcessor.cs
index 3e77e03..3a377dc 100644
--- a/DependencyViewer.Common/Graphing/QuickGraphProcessor.cs
+++ b/DependencyViewer.Common/Graphing/QuickGraphProcessor.cs
@@ -63,7 +63,6 @@ private void CreateGraph()
 		private string GenerateDot()
 		{
 			var graphviz = new GraphvizAlgorithm<int, IEdge<int>>(_graph);
-			graphviz.GraphFormat.Size = new Size(100, 100);
 			graphviz.GraphFormat.Ratio = GraphvizRatioMode.Auto;
 			graphviz.FormatVertex += graphviz_FormatVertex;
 			graphviz.FormatEdge += graphviz_FormatEdge;
diff --git a/DependencyViewer/GraphVizService.cs b/DependencyViewer/GraphVizService.cs
index 33f85ad..09224b6 100644
--- a/DependencyViewer/GraphVizService.cs
+++ b/DependencyViewer/GraphVizService.cs
@@ -13,6 +13,7 @@ public void ExecGraphViz(string dotFile, string outputFilename)
 			if(fi.Exists == false) throw new ArgumentException("dot file does not exist - " + dotFile);
 
 			ProcessStartInfo psi = new ProcessStartInfo(Settings.Default.GraphVizPath);
+			psi.RedirectStandardError = true;
 			psi.Arguments += "-Tpng";
 			psi.Arguments += " -o"+outputFilename;
 			psi.Arguments += " \"" + dotFile + "\"";
@@ -22,10 +23,13 @@ public void ExecGraphViz(string dotFile, string outputFilename)
 
 			Process proc = Process.Start(psi);
 
+			string procError = proc.StandardError.ReadToEnd();
 			if (proc == null)
 				throw new Exception("Could not run GraphViz");
 		
 			proc.WaitForExit();
+			if (procError != "")
+				throw new Exception(procError);
 		}
 	}
 }