diff --git a/GUI/SW1/SRC/BUNDLEBLDR.cpp b/GUI/SW1/SRC/BUNDLEBLDR.cpp
index 952bb11..aeb94e9 100644
--- a/GUI/SW1/SRC/BUNDLEBLDR.cpp
+++ b/GUI/SW1/SRC/BUNDLEBLDR.cpp
@@ -293,6 +293,7 @@ BUNDLEBLDR::BUNDLEBLDR(wxWindow* parent,wxWindowID id,const wxPoint& pos,const w
 
 	Panel2->Connect(wxEVT_PAINT,(wxObjectEventFunction)&BUNDLEBLDR::OnPanel2Paint,0,this);
 	Connect(ID_CHECKBOX1,wxEVT_COMMAND_CHECKBOX_CLICKED,(wxObjectEventFunction)&BUNDLEBLDR::OnCheckBox1Click);
+	Connect(ID_CHECKBOX2,wxEVT_COMMAND_CHECKBOX_CLICKED,(wxObjectEventFunction)&BUNDLEBLDR::OnCheckBox2Click);
 	Connect(ID_COMBOBOX1,wxEVT_COMMAND_COMBOBOX_SELECTED,(wxObjectEventFunction)&BUNDLEBLDR::OnComboBox1Selected);
 	Connect(ID_CHECKBOX3,wxEVT_COMMAND_CHECKBOX_CLICKED,(wxObjectEventFunction)&BUNDLEBLDR::OnCheckBox3Click);
 	Connect(ID_TEXTCTRL4,wxEVT_COMMAND_TEXT_UPDATED,(wxObjectEventFunction)&BUNDLEBLDR::OnTextCtrl4Text);
@@ -407,24 +408,20 @@ BUNDLEBLDR::~BUNDLEBLDR()
 
 void BUNDLEBLDR::PopulateTheDirectoryTree (wxString Path)
 {
+    int size_h, size_v;
 
-    #ifdef debug
-        wxMessageBox(Path, _("PathToMod"));
-    #endif
+    tree = (wxSpecificDirCtrl *) NULL;
 
-    int size_h, size_v;
     Panel2->GetSize(&size_h, &size_v );
-    //wxGenericDirCtrl *tree;
-    tree = (wxSpecificDirCtrl *) NULL;
-    tree = new wxSpecificDirCtrl (Panel2, -1, Path,
-        wxDefaultPosition,
-        wxSize(size_h, size_v),
-        wxSIMPLE_BORDER,//wxDIRCTRL_3D_INTERNAL|wxSUNKEN_BORDER,
-         "*.cable_spec", 0,
-        _T("Directory Listing"));
 
-    Connect(tree->GetTreeCtrl()->GetId(),wxEVT_COMMAND_TREE_ITEM_ACTIVATED, (wxObjectEventFunction) (wxEventFunction)(wxCommandEventFunction) &BUNDLEBLDR::OnTreeSelectionChanged);
+    tree =  new wxSpecificDirCtrl (Panel2, -1, Path,
+            wxDefaultPosition,
+            wxSize(size_h, size_v),
+            wxSIMPLE_BORDER,
+            "*.cable_spec", 0,
+            _T("Directory Listing"));
 
+    Connect(tree->GetTreeCtrl()->GetId(),wxEVT_COMMAND_TREE_ITEM_ACTIVATED, (wxObjectEventFunction) (wxEventFunction)(wxCommandEventFunction) &BUNDLEBLDR::OnTreeSelectionChanged);
 
     //SetButtonState_FolderSelected();
 }
@@ -477,6 +474,7 @@ void BUNDLEBLDR::SetPathForDir(wxString Path, wxString Name)
 {
     PathToMOD << Path;
     MODname << Name;
+
     PopulateTheDirectoryTree(PathToMOD);
 }
 
@@ -1614,3 +1612,18 @@ void BUNDLEBLDR::OnSpinButton1ChangeDown(wxSpinEvent& event)
 
     DrawBundleCsection();
 }
+
+void BUNDLEBLDR::OnCheckBox2Click(wxCommandEvent& event)
+{
+    if (CheckBox2->GetValue())
+    {
+        TextCtrl8 -> Disable();
+        SpinButton1 -> Disable();
+    }
+
+    if (!CheckBox2->GetValue())
+    {
+        TextCtrl8 -> Enable();
+        SpinButton1 -> Enable();
+    }
+}
diff --git a/GUI/SW1/SRC/BUNDLEBLDR.h b/GUI/SW1/SRC/BUNDLEBLDR.h
index 172d68e..a8140fe 100644
--- a/GUI/SW1/SRC/BUNDLEBLDR.h
+++ b/GUI/SW1/SRC/BUNDLEBLDR.h
@@ -264,6 +264,7 @@ class BUNDLEBLDR: public wxDialog
 		void OnTextCtrl8TextEnter(wxCommandEvent& event);
 		void OnSpinButton1ChangeUp(wxSpinEvent& event);
 		void OnSpinButton1ChangeDown(wxSpinEvent& event);
+		void OnCheckBox2Click(wxCommandEvent& event);
 		//*)
 
 		void PopulateTheDirectoryTree ( wxString);
diff --git a/GUI/SW1/SRC/SW1_GUIMain.cpp b/GUI/SW1/SRC/SW1_GUIMain.cpp
index 1a624d3..e9c355a 100644
--- a/GUI/SW1/SRC/SW1_GUIMain.cpp
+++ b/GUI/SW1/SRC/SW1_GUIMain.cpp
@@ -265,7 +265,7 @@ void SW1_GUIFrame::OnSelectMOD(wxCommandEvent& event)
         wxString selectedFile = dirDialog->GetPath();
 
         SelectedFile = dirDialog->GetPath();
-        PathToMOD << dirDialog->GetPath();
+        PathToMOD    = dirDialog->GetPath();
 
         // Show the selected folder in the status bar
         SetStatusText(SelectedFile, 0);
diff --git a/GUI/SW1/SRC/UTILITIES.cpp b/GUI/SW1/SRC/UTILITIES.cpp
index c8674d1..fedc6a2 100644
--- a/GUI/SW1/SRC/UTILITIES.cpp
+++ b/GUI/SW1/SRC/UTILITIES.cpp
@@ -72,7 +72,7 @@ void check_is_numeric(wxTextCtrl *TxtBox, int *IsError)
         TxtBox->Refresh();
     }
 
-    if (*non_numeric || *IsError == 1)
+    if (!*non_numeric || *IsError == 1)
     {
         TxtBox->SetBackgroundColour(wxColor(255,153,153));
         TxtBox->SetFocus();
diff --git a/GUI/SW1/SRC/resources/Build b/GUI/SW1/SRC/resources/Build
index 6d66754..999055d 100644
--- a/GUI/SW1/SRC/resources/Build
+++ b/GUI/SW1/SRC/resources/Build
@@ -1,6 +1,6 @@
 GUI:
 Version: 1.4.0
-Date: 13th August 2018
+Date: 14th August 2018
 
 SPICE_CABLE_MODEL_BUILDER
 Version: v4.0.0
--
libgit2 0.21.2