diff --git a/TestBenchFramework/Screens/ResultsTabPageCtrl.cs b/TestBenchFramework/Screens/ResultsTabPageCtrl.cs
index a4bc07ae7..6a4e15fff 100644
--- a/TestBenchFramework/Screens/ResultsTabPageCtrl.cs
+++ b/TestBenchFramework/Screens/ResultsTabPageCtrl.cs
@@ -148,19 +148,20 @@ namespace TBF.Screens
 			{
 				for (int mtr0 = 0; mtr0 < Program.WMsCount; mtr0++)
 				{
-					if (!testResults[0].Meters[mtr0].Disabled) enabledWMsCount++;
+					if ((testResults != null) && (testResults.Count > 0) && !testResults[0].Meters[mtr0].Disabled)
+                        enabledWMsCount++;
 				}
 			}
 
 			if (MetersArrangement == Forms.ResultsConfig.Meters.Horizontally)
 			{
 				flowLayoutPanel.FlowDirection = FlowDirection.LeftToRight;
-				lvWidth = (lvWidth + 5) / enabledWMsCount - 5;
+				lvWidth = (lvWidth + 5) / Math.Max(enabledWMsCount, 1) - 5;
 			}
 			else
 			{
 				flowLayoutPanel.FlowDirection = FlowDirection.TopDown;
-				lvHeight = (lvHeight + 5) / enabledWMsCount - 5;
+				lvHeight = (lvHeight + 5) / Math.Max(enabledWMsCount, 1) - 5;
 			}
 			flowLayoutPanel.Controls.Clear();
 			flowLayoutPanel.WrapContents = false;
@@ -170,7 +171,7 @@ namespace TBF.Screens
 			int printedWMNr = 1;
             for (int mtr = 1; mtr <= (combined ? Program.WMsCount / 2 : Program.WMsCount); mtr++)
 			{
-				if (combined || !testResults[0].Meters[mtr - 1].Disabled)
+				if (combined || (testResults != null && testResults.Count > 0 && !testResults[0].Meters[mtr - 1].Disabled))
 				{
 					if (TestsArrangement == Forms.ResultsConfig.TestsAre.Rows)
 					{