diff --git a/GUI/SW1/SRC/BUNDLEBLDR.cpp b/GUI/SW1/SRC/BUNDLEBLDR.cpp
index dfcbf28..d2950dd 100644
--- a/GUI/SW1/SRC/BUNDLEBLDR.cpp
+++ b/GUI/SW1/SRC/BUNDLEBLDR.cpp
@@ -173,7 +173,7 @@ BUNDLEBLDR::BUNDLEBLDR(wxWindow* parent,wxWindowID id,const wxPoint& pos,const w
 	Panel4 = new wxPanel(Notebook1, ID_PANEL4, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL, _T("ID_PANEL4"));
 	FlexGridSizer4 = new wxFlexGridSizer(0, 2, 0, 0);
 	FlexGridSizer4->AddGrowableCol(1);
-	CheckBox1 = new wxCheckBox(Panel4, ID_CHECKBOX1, _("Use Ground Plane"), wxDefaultPosition, wxSize(154,13), 0, wxDefaultValidator, _T("ID_CHECKBOX1"));
+	CheckBox1 = new wxCheckBox(Panel4, ID_CHECKBOX1, _("Use Ground Plane"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_CHECKBOX1"));
 	CheckBox1->SetValue(false);
 	FlexGridSizer4->Add(CheckBox1, 1, wxALL|wxALIGN_LEFT, 5);
 	StaticText2 = new wxStaticText(Panel4, ID_STATICTEXT2, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0, _T("ID_STATICTEXT2"));
@@ -183,7 +183,7 @@ BUNDLEBLDR::BUNDLEBLDR(wxWindow* parent,wxWindowID id,const wxPoint& pos,const w
 	FlexGridSizer4->SetSizeHints(Panel4);
 	Panel5 = new wxPanel(Notebook1, ID_PANEL5, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL, _T("ID_PANEL5"));
 	FlexGridSizer5 = new wxFlexGridSizer(0, 2, 0, 0);
-	CheckBox2 = new wxCheckBox(Panel5, ID_CHECKBOX2, _("Use Laplace"), wxDefaultPosition, wxSize(95,24), 0, wxDefaultValidator, _T("ID_CHECKBOX2"));
+	CheckBox2 = new wxCheckBox(Panel5, ID_CHECKBOX2, _("Use Laplace"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_CHECKBOX2"));
 	CheckBox2->SetValue(false);
 	FlexGridSizer5->Add(CheckBox2, 1, wxALL, 5);
 	ComboBox1 = new wxComboBox(Panel5, ID_COMBOBOX1, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0, 0, 0, wxDefaultValidator, _T("ID_COMBOBOX1"));
@@ -287,6 +287,7 @@ BUNDLEBLDR::BUNDLEBLDR(wxWindow* parent,wxWindowID id,const wxPoint& pos,const w
 	TextCtrl8 = new wxTextCtrl(this, ID_TEXTCTRL8, _("0.030"), wxDefaultPosition, wxDefaultSize, wxTE_PROCESS_ENTER, wxDefaultValidator, _T("ID_TEXTCTRL8"));
 	BoxSizer4->Add(TextCtrl8, 4, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
 	SpinButton1 = new wxSpinButton(this, ID_SPINBUTTON1, wxDefaultPosition, wxDefaultSize, wxSP_VERTICAL|wxSP_ARROW_KEYS, _T("ID_SPINBUTTON1"));
+	SpinButton1->SetValue(50);
 	SpinButton1->SetRange(0, 100);
 	BoxSizer4->Add(SpinButton1, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
 	StaticBoxSizer1->Add(BoxSizer4, 1, wxALL|wxALIGN_RIGHT, 5);
@@ -335,24 +336,16 @@ void BUNDLEBLDR::OnListboxRDown(wxMouseEvent& event)
 
         strMessage = "Are you sure you wish to delete: ";
         strMessage = strMessage << strItem;
-        // We have an item in the list to delete - shall we confirm?
+        // Confirm cable component deletion?
         wxMessageDialog bb_ConfirmDelete (this, strMessage, _("Please confirm delete") ,wxYES_NO|wxCENTRE,wxDefaultPosition );
 
         bb_ConfirmDelete.ShowModal();
 
-        //int RetVal = bb_ConfirmDelete.GetReturnCode();
-
-        //if (  RetVal == wxID_YES )
-        //{
-            // Delete the item 'item' from the linked list
-            removeElement(item);
-            PopulateListControl();
-            // And repopulate the listbox (clear it first!)
-
-        //}
-
+        removeElement(item);
+        PopulateListControl();
     }
     else
+
         wxMessageBox(_T("No Cable SELECTED"),_("Remove Cable Component"));
 
     event.Skip();
@@ -380,9 +373,8 @@ void BUNDLEBLDR::removeElement(int ItemIndex)
 
     Bundle *Current = bundle_root;
     Bundle *Previous = Current;
-    //Bundle *Next = bundle_root->next;
 
-    // Otherwise we look through the list for the item
+    // Look through the list for the item
     int i = 0;
     while( (Current!= NULL) &&  (i < ItemIndex) )
     {
@@ -464,8 +456,6 @@ void BUNDLEBLDR::OnTreeSelectionChanged(wxTreeEvent& evt)
 
     };
 
-    winPLACE_CABLE->Destroy();
-
     ListBox1->Append(File_FullName);
 
     Button1->Enable();
@@ -495,14 +485,6 @@ void BUNDLEBLDR::OnCheckListBox1Toggled(wxCommandEvent& event)
 
 void BUNDLEBLDR::OnPanel1Paint(wxPaintEvent& event)
 {
-//    double maxDimension;
-//
-//    wxString maxXY = TextCtrl8->GetValue();
-//
-//    maxXY.ToDouble(&maxDimension);
-//
-//    FormatPanel(maxDimension);
-
     DrawPanel();
 }
 
@@ -1466,7 +1448,7 @@ void BUNDLEBLDR::OnButton2Click(wxCommandEvent& event)
     RUN_STATUS *run_status_bundle = new RUN_STATUS(this);
     run_status_bundle->ShowModal();
 
-    //Button1->Enable();
+    Button1->Enable();
 
     if (CheckBox2->GetValue())
     {
@@ -1496,13 +1478,12 @@ void BUNDLEBLDR::OnButton2Click(wxCommandEvent& event)
             file = wxFindNextFile();
         }
         CheckBox3->Enable();
-
     }
 }
 
 void BUNDLEBLDR::OnButton3Click(wxCommandEvent& event)
 {
-    PopulateTheDirectoryTree(PathToMOD);
+    //PopulateTheDirectoryTree(PathToMOD);
     //clean up directory
     clean_temp_files();
     Close();
diff --git a/GUI/SW1/SRC/LOGGER.cpp b/GUI/SW1/SRC/LOGGER.cpp
index ffb8395..abb4511 100644
--- a/GUI/SW1/SRC/LOGGER.cpp
+++ b/GUI/SW1/SRC/LOGGER.cpp
@@ -70,5 +70,5 @@ void Logger::logHelper(const std::string& inMessage, const std::string& inLogLev
     strftime (tCurrentTime,80,"%X",tTimeNow);
 
     mOutputStream << tCurrentTime <<"\t";
-	mOutputStream << inLogLevel << ":  \t" << inMessage << endl;
+	mOutputStream << inLogLevel << ":   \t" << inMessage << endl;
 }
diff --git a/GUI/SW1/SRC/PLACE_CABLE.cpp b/GUI/SW1/SRC/PLACE_CABLE.cpp
index 7a5372a..dadb859 100644
--- a/GUI/SW1/SRC/PLACE_CABLE.cpp
+++ b/GUI/SW1/SRC/PLACE_CABLE.cpp
@@ -93,8 +93,8 @@ PLACE_CABLE::PLACE_CABLE(wxWindow* parent,wxWindowID id,const wxPoint& pos,const
 	StaticBoxSizer1->SetSizeHints(this);
 
 	Connect(ID_TEXTCTRL1,wxEVT_COMMAND_TEXT_UPDATED,(wxObjectEventFunction)&PLACE_CABLE::OnTextCtrl1Text);
-	Connect(ID_TEXTCTRL2,wxEVT_COMMAND_TEXT_UPDATED,(wxObjectEventFunction)&PLACE_CABLE::OnTextCtrl2Text);
-	Connect(ID_TEXTCTRL3,wxEVT_COMMAND_TEXT_UPDATED,(wxObjectEventFunction)&PLACE_CABLE::OnTextCtrl3Text);
+	Connect(ID_TEXTCTRL1,wxEVT_COMMAND_TEXT_UPDATED,(wxObjectEventFunction)&PLACE_CABLE::OnTextCtrl2Text);
+	Connect(ID_TEXTCTRL1,wxEVT_COMMAND_TEXT_UPDATED,(wxObjectEventFunction)&PLACE_CABLE::OnTextCtrl3Text);
 	Connect(ID_BUTTON1,wxEVT_COMMAND_BUTTON_CLICKED,(wxObjectEventFunction)&PLACE_CABLE::OnButton1Click);
 	Connect(ID_BUTTON2,wxEVT_COMMAND_BUTTON_CLICKED,(wxObjectEventFunction)&PLACE_CABLE::OnButton2Click);
 	//*)
diff --git a/GUI/SW1/SRC/SPICEMODEL.cpp b/GUI/SW1/SRC/SPICEMODEL.cpp
index 36f73d1..1d89cff 100644
--- a/GUI/SW1/SRC/SPICEMODEL.cpp
+++ b/GUI/SW1/SRC/SPICEMODEL.cpp
@@ -622,3 +622,4 @@ void SPICEMODEL::OnNotebook1PageChanged1(wxNotebookEvent& event)
 void SPICEMODEL::OnTextCtrl13Text1(wxCommandEvent& event)
 {
 }
+
diff --git a/GUI/SW1/SRC/SPICEMODEL.h b/GUI/SW1/SRC/SPICEMODEL.h
index f153fcd..06bca83 100644
--- a/GUI/SW1/SRC/SPICEMODEL.h
+++ b/GUI/SW1/SRC/SPICEMODEL.h
@@ -219,6 +219,7 @@ class SPICEMODEL: public wxDialog
 		void OnNotebook1PageChanged1(wxNotebookEvent& event);
 		void OnTextCtrl13Text1(wxCommandEvent& event);
 		void OnInit(wxInitDialogEvent& event);
+		void OnNotebook1PageChanged2(wxNotebookEvent& event);
 		//*)
 
         void PopulateTheDirectoryTree ( wxString);
diff --git a/GUI/SW1/SRC/SW1_GUIApp.cpp b/GUI/SW1/SRC/SW1_GUIApp.cpp
index 106e03d..6d70532 100644
--- a/GUI/SW1/SRC/SW1_GUIApp.cpp
+++ b/GUI/SW1/SRC/SW1_GUIApp.cpp
@@ -64,7 +64,6 @@ bool SW1_GUIApp::OnInit()
 
     string updatemessage;
 
-
     Logger::instance().log(Date, Logger::kLogLevelHeader);
     Logger::instance().log("", Logger::kLogLevelHeader);
     Logger::instance().log("SACAMOS STARTED", Logger::kLogLevelHeader);
@@ -98,8 +97,49 @@ bool SW1_GUIApp::OnInit()
 
     BuildFile.Close();
 
+    wxString os_version = wxGetOsDescription();
+
+    wxStringTokenizer tokenizer(os_version, " ");
+
+    wxString os_type = tokenizer.GetNextToken();
+
+    //(*AppInitialize
+    bool wxsOK = true;
+    wxInitAllImageHandlers();
+
+
+    if ( wxsOK )
+    {
+        SW1_GUIFrame* Frame = new SW1_GUIFrame(0);
+
+        // Display splash screen
+
+        if (splashimage.LoadFile("resources/Sacamos_About.png", wxBITMAP_TYPE_PNG))
+        {
+            wxSplashScreen *splashscrn = new wxSplashScreen(splashimage,
+            wxSPLASH_CENTRE_ON_SCREEN|wxSPLASH_TIMEOUT,
+            2000, Frame, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+            wxSIMPLE_BORDER|wxSTAY_ON_TOP);
+        }
+
+        if (os_type=="Windows")
+        {
+            wxYield();
+            wxSleep(2);
+            Frame->Show(true);
+        }
+        else
+        {
+            Frame->Show(true);
+            wxYield();
+            wxSleep(2);
+        }
+
+    }
+    //*)
+
     // Compare current version against latest release version
-    Logger::instance().log("Checking for Software Update...", Logger::kLogLevelHeader);
+    Logger::instance().log("Checking for Software Update...", Logger::kLogLevelInfo);
 
     wxHTTP checkupdate;
 
@@ -129,7 +169,7 @@ bool SW1_GUIApp::OnInit()
     else
     {
         //fail silently & log event
-        Logger::instance().log("Could not connect to SACAMOS Repository", Logger::kLogLevelError);
+        Logger::instance().log("Could not connect to SACAMOS Repository", Logger::kLogLevelInfo);
     }
 
     checkupdate.Close();
@@ -161,37 +201,11 @@ bool SW1_GUIApp::OnInit()
             wxString myString(updatemessage);
             wxMessageBox(updatemessage,"Please Update");
 
+            Logger::instance().log("SACAMOS Update Available", Logger::kLogLevelInfo);
+
         }
     }
 
-    // Display splash screen
-//    wxBitmap splashimage;
-//
-//    wxImage::AddHandler(new wxPNGHandler);
-//
-//    splashimage.LoadFile(_T("resources/Sacamos_About.png"), wxBITMAP_TYPE_PNG);
-//
-//    wxSplashScreen *splashscrn = new wxSplashScreen(splashimage,
-//        wxSPLASH_CENTRE_ON_SCREEN|wxSPLASH_TIMEOUT,
-//        0, NULL, -1, wxDefaultPosition, wxDefaultSize,
-//        wxSIMPLE_BORDER|wxSTAY_ON_TOP);
-//
-//    wxYield();
-//    wxSleep(2);
-//    splashscrn->Destroy();
-
-    //(*AppInitialize
-    bool wxsOK = true;
-    wxInitAllImageHandlers();
-
-
-    if ( wxsOK )
-    {
-    	SW1_GUIFrame* Frame = new SW1_GUIFrame(0);
-    	Frame->Show();
-    	SetTopWindow(Frame);
-    }
-    //*)
 
     return wxsOK;
 
diff --git a/GUI/SW1/SRC/SW1_GUIApp.h b/GUI/SW1/SRC/SW1_GUIApp.h
index b530c15..29065ae 100644
--- a/GUI/SW1/SRC/SW1_GUIApp.h
+++ b/GUI/SW1/SRC/SW1_GUIApp.h
@@ -65,10 +65,11 @@ class SW1_GUIApp : public wxApp
     public:
         virtual bool OnInit();
 
-        std::string SACAMOS_V_NUMBER = "SPICE_CABLE_MODEL_BUILDER_version=\"v2.1.0\"";
+        wxBitmap splashimage;
+
+        std::string SACAMOS_V_NUMBER = "SPICE_CABLE_MODEL_BUILDER_version=\"v3.1.0\"";
         std::string SACAMOS_V_DATE   = "SPICE_CABLE_MODEL_BUILDER_date=\"16th April 2018\"";
 
-    //SPICE_CABLE_MODEL_BUILDER_date="16th April 2018"
 };
 
 #endif // SW1_GUIAPP_H
diff --git a/GUI/SW1/SRC/SW1_GUIMain.cpp b/GUI/SW1/SRC/SW1_GUIMain.cpp
index 8b427e4..0b61a22 100644
--- a/GUI/SW1/SRC/SW1_GUIMain.cpp
+++ b/GUI/SW1/SRC/SW1_GUIMain.cpp
@@ -332,22 +332,22 @@ void SW1_GUIFrame::OnCreateMOD(wxCommandEvent& event)
         folder = PathToMOD + separator + "CABLE";
         dirName = folder;
         if (!wxDirExists(dirName))
-            wxMkdir(dirName, 0);
+            wxMkdir(dirName, wxS_DIR_DEFAULT);
 
         folder = PathToMOD + separator +"BUNDLE";
         dirName = folder;
         if (!wxDirExists(dirName))
-            wxMkdir(dirName, 0);
+            wxMkdir(dirName, wxS_DIR_DEFAULT);
 
         folder = PathToMOD + separator +"SPICE";
         dirName = folder;
         if (!wxDirExists(dirName))
-            wxMkdir(dirName, 0);
+            wxMkdir(dirName, wxS_DIR_DEFAULT);
 
         folder = PathToMOD + separator +"SPICE" + separator + "SYMBOL";
         dirName = folder;
         if (!wxDirExists(dirName))
-            wxMkdir(dirName, 0);
+            wxMkdir(dirName, wxS_DIR_DEFAULT);
 
         wxMenuBar* MenuBar1 = GetMenuBar();
         MenuBar1->EnableTop(MenuBar1->FindMenu(_("&Cable Model")),true);
diff --git a/GUI/SW1/SRC/resources/Sacamos_About.png b/GUI/SW1/SRC/resources/Sacamos_About.png
index 3a57294..d3501b1 100644
Binary files a/GUI/SW1/SRC/resources/Sacamos_About.png and b/GUI/SW1/SRC/resources/Sacamos_About.png differ
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