diff --git a/EduNetworkBuilder/ListBoxWindow.cs b/EduNetworkBuilder/ListBoxWindow.cs
index 15b635a..31d05b5 100644
--- a/EduNetworkBuilder/ListBoxWindow.cs
+++ b/EduNetworkBuilder/ListBoxWindow.cs
@@ -57,6 +57,8 @@ namespace EduNetworkBuilder
         string NoTestString = "No Test";
         string PassedString = "Passed";
         string FailedString = "Failed;";
+        public bool ClosingRegression = false;
+
 
         /// <summary>
         /// Instantiate a ListBoxWindow for use in choosing a network to load
@@ -494,6 +496,7 @@ namespace EduNetworkBuilder
                     if (lbWindowData.SelectedItem != null)
                         NB.LoadNetworkFromResource(TheName);
                 }
+                Close();
             }
             else if (MyMode == LBContents.regressiontest)
             {
@@ -507,10 +510,13 @@ namespace EduNetworkBuilder
                     {
                         myWin.Activate();
                         myWin.replayNetwork(TheName, 1);
+                        //Return back to the listbox window
+                        Visible = true;
+                        Activate();
                     }
                 }
             }
-            Close();
+            else Close();
         }
 
         /// <summary>
@@ -621,7 +627,8 @@ namespace EduNetworkBuilder
             }
             //In regression, this is the close button
             if (MyMode == LBContents.regressiontest)
-            {                
+            {
+                ClosingRegression = true;
                 Close();
             }
         }
diff --git a/EduNetworkBuilder/NB.cs b/EduNetworkBuilder/NB.cs
index 6994210..37190d7 100644
--- a/EduNetworkBuilder/NB.cs
+++ b/EduNetworkBuilder/NB.cs
@@ -494,6 +494,7 @@ namespace EduNetworkBuilder
             myWin.RegisterInvisibleNet(ToRegister);
         }
 
+    
         public static void UnregisterInvisibleNetwork()
         {
             BuilderWindow myWin = (BuilderWindow)Application.OpenForms["BuilderWindow"];
@@ -501,6 +502,13 @@ namespace EduNetworkBuilder
             myWin.UnregisterInvisibleNet();
         }
 
+        public static bool ProcessingInvisibleNetwork()
+        {
+            BuilderWindow myWin = (BuilderWindow)Application.OpenForms["BuilderWindow"];
+            if (myWin == null) return false;
+            return myWin.ProcessingInvisibleNet();
+        }
+
         /// <summary>
         /// Make sure we update the visuals when we have the opportunity to do so
         /// </summary>
diff --git a/EduNetworkBuilder/Network.cs b/EduNetworkBuilder/Network.cs
index 77a3644..4f4f4b4 100644
--- a/EduNetworkBuilder/Network.cs
+++ b/EduNetworkBuilder/Network.cs
@@ -1214,13 +1214,21 @@ namespace EduNetworkBuilder
                             }
                         }
                     }
-                    answer = MessageBox.Show(NB.Translate("N_MarkAsSolvedDone"), NB.Translate("_Solved"), MessageBoxButtons.YesNo);
-
-                    if (answer == DialogResult.Yes)
+                    //If we are processing an invisible replay, do not prompt...
+                    if (!(NB.ProcessingInvisibleNetwork() && oursettings != null && oursettings.ReplayMode))
                     {
-                        KillAllExtraWindows(true);
-                        ListBoxWindow LBW = new ListBoxWindow();
-                        LBW.ShowDialog();
+                        answer = MessageBox.Show(NB.Translate("N_MarkAsSolvedDone"), NB.Translate("_Solved"), MessageBoxButtons.YesNo);
+
+                        if (answer == DialogResult.Yes)
+                        {
+                            KillAllExtraWindows(true);
+                            ListBoxWindow LBW = new ListBoxWindow();
+                            LBW.ShowDialog();
+                        }
+                    }
+                    else
+                    {
+                        //We should go back to our replay window.
                     }
                 }
                 else
diff --git a/EduNetworkBuilder/NetworkBuilder.cs b/EduNetworkBuilder/NetworkBuilder.cs
index fc67131..8f36fc2 100644
--- a/EduNetworkBuilder/NetworkBuilder.cs
+++ b/EduNetworkBuilder/NetworkBuilder.cs
@@ -2965,7 +2965,11 @@ namespace EduNetworkBuilder
         private void regressionTestingToolStripMenuItem_Click(object sender, EventArgs e)
         {
             ListBoxWindow LBW = new ListBoxWindow(null, LBContents.regressiontest);
-            LBW.ShowDialog();
+            //We want to show dialog, but it needs to go to the background.  After that,
+            //It returns from the show dialog.  So we need to loop continuously until
+            //It is completed.
+            while (!LBW.ClosingRegression)
+                LBW.ShowDialog();
         }
 
         #endregion