diff --git a/VBoxWebSrv.py b/VBoxWebSrv.py
index f07f0bb..da10268 100644
--- a/VBoxWebSrv.py
+++ b/VBoxWebSrv.py
@@ -18,7 +18,6 @@
 import re
 import StringIO
 import types
-import md5
 import random
 import uuid
 import gc
@@ -26,7 +25,6 @@
 
 # Enable garbage collection
 gc.enable()
-gc.set_debug(gc.DEBUG_UNCOLLECTABLE)
 
 if sys.platform == 'win32':
 	try:
@@ -48,9 +46,11 @@
 else:
 	import vboxapi # Main VirtualBox API
 
+from vboxapi.VirtualBox_constants import VirtualBoxReflectionInfo
+
 # VBoxWeb modules
-sys.path.insert(0,'lib')
-sys.path.insert(0,'languages')
+sys.path.insert(0,os.path.abspath(os.path.dirname(__file__))+'/lib')
+sys.path.insert(0,os.path.abspath(os.path.dirname(__file__))+'/languages')
 
 # Load vbox connector
 import vboxactions
@@ -240,7 +240,7 @@ def __init__(self, ctx):
 		self.ctx['progressOps'] = {'get':progressObjGet,'store':progressObjStore,'delete':progressObjDel}
 		
 		# generate session_cookie name. Not very secure, but better than a static / predictable key.
-		self.session_cookie = md5.md5(os.path.abspath(os.path.dirname(__file__))).hexdigest()
+		self.session_cookie = hashlib.md5(os.path.abspath(os.path.dirname(__file__))).hexdigest()
 
 		
 	"""
@@ -801,7 +801,7 @@ def main(argv = sys.argv):
 						'tools.staticdir.root': os.path.abspath(os.path.dirname(__file__))
     })
 
-	ctx = {'global':g_vboxManager,'vbox':None}
+	ctx = {'global':g_vboxManager,'vbox':None, 'vboxTypes':VirtualBoxReflectionInfo(True)}
 
 	cherrypy.engine.subscribe('stop', onShutdown)
 	
diff --git a/VBoxWebSrv.vbs b/VBoxWebSrv.vbs
deleted file mode 100644
index adf0f7e..0000000
--- a/VBoxWebSrv.vbs
+++ /dev/null
@@ -1,16 +0,0 @@
-Dim sh, scriptPath, p, WshShell, objArgs, strArgs
-
-set sh = WScript.CreateObject("WScript.Shell")
-scriptPath = Left ( WScript.ScriptFullName, InStrRev ( WScript.ScriptFullName, WScript.ScriptName) - 1 )
-p = sh.RegRead("HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Python.exe\")
-
-rem WScript.Echo p & " " & scriptPath
-
-Set WshShell = WScript.CreateObject("WScript.Shell")
-
-Set objArgs = WScript.Arguments
-For I = 0 to objArgs.Count - 1
-   strArgs = strArgs & " " & objArgs(I)
-Next
-
-WshShell.Run "cmd /C " & p & " " & scriptPath & "VBoxWebSrv.py " & strArgs & " & pause", 1, True
\ No newline at end of file
diff --git a/VboxWebSrv.bat b/VboxWebSrv.bat
new file mode 100644
index 0000000..90b4a5c
--- /dev/null
+++ b/VboxWebSrv.bat
@@ -0,0 +1,100 @@
+@Echo off
+echo.
+echo VBoxWebSrv Windows
+echo.
+
+::
+:: reset vars
+::
+set act=%1
+set puname=%2
+set pwset1=%3
+set pwset2=%3
+set arg1=%1
+set arg2=%2
+set arg3=%3
+
+:: Search the registry tree for the required values
+IF NOT EXIST "%PYTHON%" (
+	FOR /F "skip=2 tokens=3" %%A IN ('REG QUERY "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Python.exe"') DO (
+	   IF EXIST "%%A" SET PYTHON=%%A
+	)
+)
+if NOT EXIST "%PYTHON%" GOTO NOPYTHON
+
+:PROMPTACT
+echo.
+echo Commands: start, adduser, deluser 
+echo.
+if "%act%" == "" set /p act= Enter a command to run: 
+
+if "%act%" == "start" (
+	echo Starting...
+	GOTO RUNPYTHON
+)
+if "%act%" == "adduser" GOTO PROMPTUSER
+if "%act%" == "deluser" GOTO PROMPTUSER
+echo %act% not understood.
+set act=
+GOTO PROMPTACT
+
+:PROMPTUSER
+if "%act%" == "deluser" (
+	if "%puname%" == "" set /p puname= Enter a user to remove: 
+) 
+if "%act%" == "adduser" (
+	if "%puname%" == "" set /p puname= Enter a user to add: 
+) 
+if "%puname%" == "" goto PROMPTUSER
+if "%act%" == "deluser" goto DELUSER
+if "%act%" == "adduser" goto PROMPTPW
+
+GOTO RUNPYTHON
+
+::
+:: Prompt for password
+::
+:PROMPTPW
+if "%pwset1%" == "" set /p pwset1= Enter password: 
+if "%pwset1%" == "" GOTO PROMPTPW
+if "%pwset2%" == "" set /p pwset2= Again: 
+if "%pwset1%" == "%pwset2%" GOTO ADDUSER
+echo Passwords do not match.
+set pwset1=
+set pwset2=
+GOTO PROMPTPW
+
+::
+:: Add a user
+::
+:ADDUSER
+set arg1="adduser"
+set arg2=%puname%
+set arg3="%pwset1%"
+GOTO RUNPYTHON
+ 
+::
+:: Python not found
+::
+:NOPYTHON
+echo Unable to find python.exe. Please set the PYTHON environment variable.
+pause
+GOTO :END
+
+::
+:: Delete a user
+::
+:DELUSER
+set arg1="deluser"
+set arg2=%puname%
+set arg3=
+GOTO RUNPYTHON
+
+::
+:: Start server
+::
+:RUNPYTHON
+%PYTHON% %~dp0VBoxWebSrv.py %arg1% %arg2% %arg3%
+pause
+
+:END
\ No newline at end of file
diff --git a/lib/VirtualBox_wrappers.py b/lib/VirtualBox_wrappers.py
index 7b81eda..7a1034c 100644
--- a/lib/VirtualBox_wrappers.py
+++ b/lib/VirtualBox_wrappers.py
@@ -18,12 +18,14 @@
 #
 # This file is autogenerated from VirtualBox.xidl, DO NOT EDIT!
 #
+"""
 from VirtualBox_services import *
 
 try:
   from VirtualBox_client import *
 except:
   pass
+"""
 
 class ManagedManager:
   def __init__(self):
diff --git a/lib/vboxactions.py b/lib/vboxactions.py
index 8aebef8..ef2a0ab 100644
--- a/lib/vboxactions.py
+++ b/lib/vboxactions.py
@@ -12,7 +12,7 @@
 import time
 import types
 import traceback
-import md5
+import hashlib
 import os
 from VBoxWebSrv import trans
 from vboxapi import VirtualBoxManager
@@ -115,10 +115,10 @@ def __init__(self, ctx):
 		self.cache.prefix = 'vbwc-'
 		
 		if self.settings.get('location'):
-			self.cache.prefix = self.cache.prefix + str(md5.md5(self.settings.get('location')).hexdigest())
+			self.cache.prefix = self.cache.prefix + str(hashlib.md5(self.settings.get('location')).hexdigest())
 		else:
 			# Handle both Win* And *nix
-			self.cache.prefix = self.cache.prefix + str(md5.md5(str(os.environ.get('USERNAME',''))+str(os.environ.get('USER',''))).hexdigest())
+			self.cache.prefix = self.cache.prefix + str(hashlib.md5(str(os.environ.get('USERNAME',''))+str(os.environ.get('USER',''))).hexdigest())
 		
 		# Progress operation handling
 		self.progressOps = ctx['progressOps']
@@ -196,7 +196,12 @@ def vboxType(self,vbtype,conv):
 		Return vbox type for setting values
 	"""
 	def vboxTypeSet(self,vbtype,conv):
-		return int(self.vboxType(vbtype,conv))
+		i = 0
+		try:
+			i = self.vboxType(vbtype,conv)
+		except:
+			pass
+		return int(i)
 	
 	"""
 		Return array of vbox items
diff --git a/www/js/utils.js b/www/js/utils.js
index 433453e..6309177 100644
--- a/www/js/utils.js
+++ b/www/js/utils.js
@@ -716,10 +716,10 @@ function vboxParseCookies() {
 /* Check version against supported versions */
 function vboxVersionCheck(ver) {
 	
-	var supported = {'3':{'2':1}};
+	var supported = {'4':{'0':1}};
 	
 	// No ver passed?
-	if(ver && !supported[ver.major][ver.minor]) {
+	if(ver && !(supported[ver.major] && supported[ver.major][ver.minor])) {
 		
 		vboxParseCookies();