diff --git a/codecut-gui/src/main/java/codecutguiv2/CodeCutGUIPlugin.java b/codecut-gui/src/main/java/codecutguiv2/CodeCutGUIPlugin.java
index f60273f..0989d4b 100644
--- a/codecut-gui/src/main/java/codecutguiv2/CodeCutGUIPlugin.java
+++ b/codecut-gui/src/main/java/codecutguiv2/CodeCutGUIPlugin.java
@@ -121,8 +121,7 @@ public class CodeCutGUIPlugin extends Plugin implements DomainObjectListener {
 	final static Cursor NORM_CURSOR = new Cursor(Cursor.DEFAULT_CURSOR);
 
 	private final static String OPTION_NAME_PYTHON_EXEC = "Python Executable";
-	private final static String OPTION_DEFAULT_PYTHON_EXEC = "/projects/venv/bin/python3";
-	//private final static String OPTION_DEFAULT_PYTHON_EXEC = "/usr/local/bin/python3"; // for testing
+	private final static String OPTION_DEFAULT_PYTHON_EXEC = "/usr/bin/python3";
 	private String pythonExec = OPTION_DEFAULT_PYTHON_EXEC;
 	
 	private DockingAction openRefsAction;
diff --git a/codecut-gui/src/main/java/codecutguiv2/CodecutUtils.java b/codecut-gui/src/main/java/codecutguiv2/CodecutUtils.java
index ae0f3a6..b522fcb 100644
--- a/codecut-gui/src/main/java/codecutguiv2/CodecutUtils.java
+++ b/codecut-gui/src/main/java/codecutguiv2/CodecutUtils.java
@@ -186,8 +186,11 @@ public static List<Namespace> getAllNamespaces(Program program) {
 			SymbolType type = symbol.getSymbolType();
 			if (type == SymbolType.FUNCTION) {
 				Namespace ns = ((Function)symbol.getObject()).getParentNamespace();
-				if (!namespaceList.contains(ns)) {
-					namespaceList.add(ns);
+				//make sure it's a "real" namespace with a body - otherwise we can't work with it
+				if ((ns.getBody().getMinAddress() != null) && (ns.getBody().getMaxAddress() != null)) {
+					if (!namespaceList.contains(ns)) {
+						namespaceList.add(ns);
+					}
 				}
 			}
 		}
diff --git a/codecut-gui/src/main/java/codecutguiv2/CombineProvider.java b/codecut-gui/src/main/java/codecutguiv2/CombineProvider.java
index 8540125..4efb998 100644
--- a/codecut-gui/src/main/java/codecutguiv2/CombineProvider.java
+++ b/codecut-gui/src/main/java/codecutguiv2/CombineProvider.java
@@ -79,10 +79,12 @@ class CombineProvider extends ComponentProviderAdapter implements ActionListener
 	private Namespace firstNamespace;
 	private Namespace secondNamespace;
 	private Namespace combinedNamespace; 
+	private SymbolProvider symProvider;
 
 	CombineProvider(CodeCutGUIPlugin plugin) {
 		super(plugin.getTool(), "Combine Namespaces", plugin.getName(), ProgramActionContext.class);
 		this.plugin = plugin;
+		symProvider = plugin.getSymbolProvider();
 
 		setIcon(ICON);
 		addToToolbar();
@@ -241,12 +243,12 @@ else if (nS == this.secondNamespace) {
 						
 					}
 				}
-
 			}
 		}
 		
 		this.closeComponent();
 		
+		symProvider.reload();
 
 
 	}
diff --git a/codecut-gui/src/main/java/codecutguiv2/CreateProvider.java b/codecut-gui/src/main/java/codecutguiv2/CreateProvider.java
index 8fc0a36..57c5f8b 100644
--- a/codecut-gui/src/main/java/codecutguiv2/CreateProvider.java
+++ b/codecut-gui/src/main/java/codecutguiv2/CreateProvider.java
@@ -73,10 +73,13 @@ class CreateProvider extends ComponentProviderAdapter implements ActionListener
 
 	private Namespace namespace;
 	private Symbol symbol;
+	private SymbolProvider symProvider;
 
 	CreateProvider(CodeCutGUIPlugin plugin) {
 		super(plugin.getTool(), "Create Namespace", plugin.getName(), ProgramActionContext.class);
 		this.plugin = plugin;
+		
+		symProvider = plugin.getSymbolProvider();
 
 		setIcon(ICON);
 		addToToolbar();
@@ -141,9 +144,10 @@ public void actionPerformed(ActionEvent e) {
 						Msg.info(this, "Exception when attempting to change namespace of symbol " 
 								+ this.symbol.getName() + " to " + nS.getName());
 					}
-					
+				
 					this.closeComponent(); 
 
+					symProvider.reload();
 				}
 			}
 				
diff --git a/codecut-gui/src/main/java/codecutguiv2/NamespacePanel.java b/codecut-gui/src/main/java/codecutguiv2/NamespacePanel.java
index f8c645e..0b3cbd1 100644
--- a/codecut-gui/src/main/java/codecutguiv2/NamespacePanel.java
+++ b/codecut-gui/src/main/java/codecutguiv2/NamespacePanel.java
@@ -123,7 +123,12 @@ public int compare(Namespace ns1, Namespace ns2) {
 			
 			Namespace ns = it.next();
 			AddressSetView ar = ns.getBody();
-			Msg.info(this, "Add: " + ns.getName() + " " + ar.getMinAddress().toString() + " " + ar.getMaxAddress().toString()); 
+			if ((ar.getMinAddress() != null) && (ar.getMaxAddress() != null)) {
+				Msg.info(this, "Add: " + ns.getName() + " " + ar.getMinAddress().toString() + " " + ar.getMaxAddress().toString());
+			}
+			else {
+				Msg.info(this,  "Add: " + ns.getName() + " null min or max??");
+			}
 			SymbolIterator symIter = this.program.getSymbolTable().getSymbols(ns);
 			SymbolTableModel model = new SymbolTableModel(this.program, this.symProvider, this.tool, symIter, ns);
 
diff --git a/codecut-gui/src/main/java/codecutguiv2/RenameProvider.java b/codecut-gui/src/main/java/codecutguiv2/RenameProvider.java
index 89b7d29..5a877d5 100644
--- a/codecut-gui/src/main/java/codecutguiv2/RenameProvider.java
+++ b/codecut-gui/src/main/java/codecutguiv2/RenameProvider.java
@@ -73,10 +73,12 @@ class RenameProvider extends ComponentProviderAdapter implements ActionListener
 	private JButton button;
 
 	private Namespace namespace;
+	private SymbolProvider symProvider;
 
 	RenameProvider(CodeCutGUIPlugin plugin) {
 		super(plugin.getTool(), "Rename Namespace", plugin.getName(), ProgramActionContext.class);
 		this.plugin = plugin;
+		symProvider = plugin.getSymbolProvider();
 
 		setIcon(ICON);
 		addToToolbar();
@@ -172,6 +174,7 @@ public void actionPerformed(ActionEvent e) {
 						this.closeComponent(); 
 					}
 				}
+				symProvider.reload();
 			}
 				
 		}
diff --git a/deepcut-ghidra/src/main/help/help/topics/deepcut/help.html b/deepcut-ghidra/src/main/help/help/topics/deepcut/help.html
deleted file mode 100644
index 8f858d2..0000000
--- a/deepcut-ghidra/src/main/help/help/topics/deepcut/help.html
+++ /dev/null
@@ -1,23 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-
-<HTML>
-  <HEAD>
-    <META name="generator" content=
-    "HTML Tidy for Java (vers. 2009-12-01), see jtidy.sourceforge.net">
-    <META http-equiv="Content-Language" content="en-us">
-    <META http-equiv="Content-Type" content="text/html; charset=windows-1252">
-    <META name="GENERATOR" content="Microsoft FrontPage 4.0">
-    <META name="ProgId" content="FrontPage.Editor.Document">
-
-    <TITLE>Skeleton Help File for a Module</TITLE>
-    <LINK rel="stylesheet" type="text/css" href="../../shared/Frontpage.css">
-  </HEAD>
-
-  <BODY>
-    <H1><a name="HelpAnchor"></a>Skeleton Help File for a Module</H1>
-
-    <P>This is a simple skeleton help topic. For a better description of what should and should not
-    go in here, see the "sample" Ghidra extension in the Extensions/Ghidra directory, or see your 
-    favorite help topic. In general, language modules do not have their own help topics.</P>
-  </BODY>
-</HTML>
diff --git a/deepcut-ghidra/src/main/java/deepcut/DeepCutAnalyzer.java b/deepcut-ghidra/src/main/java/deepcut/DeepCutAnalyzer.java
index 2c84bc5..db2ae73 100644
--- a/deepcut-ghidra/src/main/java/deepcut/DeepCutAnalyzer.java
+++ b/deepcut-ghidra/src/main/java/deepcut/DeepCutAnalyzer.java
@@ -56,7 +56,7 @@ public class DeepCutAnalyzer extends AbstractAnalyzer {
 	
 	private final static String OPTION_NAME_PYTHON_EXEC = "Python Executable";
 	private final static String OPTION_DESCRIPTION_PYTHON_EXEC = "";
-	private final static String OPTION_DEFAULT_PYTHON_EXEC = "/projects/venv/bin/python3";
+	private final static String OPTION_DEFAULT_PYTHON_EXEC = "/usr/bin/python3";
 	private String pythonExec = OPTION_DEFAULT_PYTHON_EXEC;
 
 	public DeepCutAnalyzer() {
diff --git a/deepcut-ghidra/src/main/java/deepcut/DeepCutPython.java b/deepcut-ghidra/src/main/java/deepcut/DeepCutPython.java
index cdd3fcc..d6ee885 100644
--- a/deepcut-ghidra/src/main/java/deepcut/DeepCutPython.java
+++ b/deepcut-ghidra/src/main/java/deepcut/DeepCutPython.java
@@ -57,7 +57,7 @@ public void startProcess() throws IOException {
 		
 		process = runtime.exec(exec);
 
-		// Yes this is confusing. stdin is a Java OutputStream, stdin is an InputStream
+		// Yes this is confusing. stdin is a Java OutputStream, stdout is an InputStream
 		stdin = process.getOutputStream();
 		stdout = process.getInputStream();
 		stderr = process.getErrorStream();