Option Explicit 
Const WBEM_MAX_WAIT = &H80 
' Registry Hives 
Const HKEY_LOCAL_MACHINE = &H80000002 
Const HKEY_CURRENT_USER = &H80000001 
Const HKEY_CLASSES_ROOT = &H80000000 
Const HKEY_USERS = &H80000003 
Const HKEY_CURRENT_CONFIG = &H80000005 
Const HKEY_DYN_DATA = &H80000006 

' Reg Value Types 
Const REG_SZ = 1 
Const REG_EXPAND_SZ = 2 
Const REG_BINARY = 3 
Const REG_DWORD = 4 
Const REG_MULTI_SZ = 7 

' Registry Permissions 
Const KEY_QUERY_VALUE = &H00001 
Const KEY_SET_VALUE = &H00002 
Const KEY_CREATE_SUB_KEY = &H00004 
Const KEY_ENUMERATE_SUB_KEYS = &H00008 
Const KEY_NOTIFY = &H00016 
Const KEY_CREATE = &H00032 
Const KEY_DELETE = &H10000 
Const KEY_READ_CONTROL = &H20000 
Const KEY_WRITE_DAC = &H40000 
Const KEY_WRITE_OWNER = &H80000 

Class std_registry 
Private Sub Class_Initialize() 
Set objRegistry = Nothing 
End Sub 

' Connect to the reg provider for this registy object 
Public Function ConnectProvider32( sComputerName ) 
ConnectProvider32 = False 
Set objRegistry = Nothing 
'On Error Resume Next 
Dim oLoc : Set oLoc = CreateObject("Wbemscripting.SWbemLocator") 
Dim oCtx : Set oCtx = CreateObject("WbemScripting.SWbemNamedValueSet") 
' Force 64 Bit Registry 
Call oCtx.Add("__ProviderArchitecture", 32 ) 
Call oCtx.Add("__RequiredArchitecture", True) 
Dim oSvc : Set oSvc = oLoc.ConnectServer(sComputerName,"root/default","","",,,WBEM_MAX_WAIT,oCtx) 
Set objRegistry = oSvc.Get("StdRegProv") 
If Err.Number = 0 Then 
ConnectProvider32 = True 
End If 
End Function 

' Connect to the reg provider for this registy object 
Public Function ConnectProvider64( sComputerName ) 
ConnectProvider64 = False 
Set objRegistry = Nothing 
On Error Resume Next 
Dim oLoc : Set oLoc = CreateObject("Wbemscripting.SWbemLocator") 
Dim oCtx : Set oCtx = CreateObject("WbemScripting.SWbemNamedValueSet") 
' Force 64 Bit Registry 
Call oCtx.Add("__ProviderArchitecture", 64 ) 
Call oCtx.Add("__RequiredArchitecture", True) 
Dim oSvc : Set oSvc = oLoc.ConnectServer(sComputerName,"root/default","","",,,WBEM_MAX_WAIT,oCtx) 
Set objRegistry = oSvc.Get("StdRegProv") 
If Err.Number = 0 Then 
ConnectProvider64 = True 
End If 
End Function 

Public Function IsValid() 
IsValid = Eval( Not objRegistry Is Nothing ) 
End Function 

' Used to read values from the registry, Returns 0 for success, all else is error 
' ByRef data contains the registry value if the functions returns success 
' The constants can be used for the sRootKey value: 
' HKEY_LOCAL_MACHINE 
' HKEY_CURRENT_USER 
' HKEY_CLASSES_ROOT 
' HKEY_USERS 
' HKEY_CURRENT_CONFIG 
' HKEY_DYN_DATA 
' The constants can be used for the sType value: 
' REG_SZ 
' REG_MULTI_SZ 
' REG_EXPAND_SZ 
' REG_BINARY 
' REG_DWORD 
Public Function ReadValue(ByVal hkRoot , ByVal nType , ByVal sKeyPath, ByVal sValueName , ByRef Data) 
On Error Resume Next 
ReadValue = -1 
Dim bReturn, Results 
If hkRoot = HKEY_LOCAL_MACHINE Or hkRoot = HKEY_CURRENT_USER Or hkRoot = HKEY_CLASSES_ROOT Or hkRoot = HKEY_USERS Or hkRoot = HKEY_CURRENT_CONFIG Or hkRoot = HKEY_DYN_DATA Then 
'Read Value 
Select Case nType 
Case REG_SZ 
ReadValue = objRegistry.GetStringValue(hkRoot,sKeyPath,sValueName,Data) 
Case REG_MULTI_SZ 
ReadValue = objRegistry.GetMultiStringValue(hkRoot,sKeyPath,sValueName,Data) 
Case REG_EXPAND_SZ 
ReadValue = objRegistry.GetExpandedStringValue(hkRoot,sKeyPath,sValueName,Data) 
Case REG_BINARY 
ReadValue = objRegistry.GetBinaryValue(hkRoot,sKeyPath,sValueName,Data) 
Case REG_DWORD 
ReadValue = objRegistry.GetDWORDValue(hkRoot,sKeyPath,sValueName,Data) 
End Select 
End If 
End Function 

' Used to write registry values, returns 0 for success, all else is falure 
' 
' The constants can be used for the hkRoot value: 
' HKEY_LOCAL_MACHINE 
' HKEY_CURRENT_USER 
' HKEY_CLASSES_ROOT 
' HKEY_USERS 
' HKEY_CURRENT_CONFIG 
' HKEY_DYN_DATA 
' The constants can be used for the nType value: 
' REG_SZ 
' REG_MULTI_SZ 
' REG_EXPAND_SZ 
' REG_BINARY 
' REG_DWORD 
Function WriteValue( ByVal hkRoot , ByVal nType , ByVal sKeyPath, ByVal sValueName , ByVal Data) 
On Error Resume Next 
WriteValue = -1 'Default error 
If hkRoot = HKEY_LOCAL_MACHINE Or hkRoot = HKEY_CURRENT_USER Or hkRoot = HKEY_CLASSES_ROOT Or hkRoot = HKEY_USERS Or hkRoot = HKEY_CURRENT_CONFIG Or hkRoot = HKEY_DYN_DATA Then 
Call objRegistry.CreateKey( hkRoot , sKeyPath ) 'Create the key if not existing... 
'Read Value 
Select Case nType 
Case REG_SZ 
WriteValue = objRegistry.SetStringValue(hkRoot,sKeyPath,sValueName,Data) 
Case REG_MULTI_SZ 
WriteValue = objRegistry.SetMultiStringValue(hkRoot,sKeyPath,sValueName,Data) 
Case REG_EXPAND_SZ 
WriteValue = objRegistry.SetExpandedStringValue(hkRoot,sKeyPath,sValueName,Data) 
Case REG_BINARY 
WriteValue = objRegistry.SetBinaryValue(hkRoot,sKeyPath,sValueName,Data) 
Case REG_DWORD 
WriteValue = objRegistry.SetDWORDValue(hkRoot,sKeyPath,sValueName,Data) 
End Select 
End If 
End Function 

Function DeleteValue( ByVal hkRoot , ByVal sKeyPath , ByVal sValueName ) 
On Error Resume Next 
DeleteValue = -1 'Default error 
If hkRoot = HKEY_LOCAL_MACHINE Or hkRoot = HKEY_CURRENT_USER Or hkRoot = HKEY_CLASSES_ROOT Or hkRoot = HKEY_USERS Or hkRoot = HKEY_CURRENT_CONFIG Or hkRoot = HKEY_DYN_DATA Then 
DeleteValue = objRegistry.DeleteValue( hkRoot , sKeyPath , sValueName ) 
End If 
End Function 

Public Function DeleteKey( hkRoot , ByVal sKeyPath ) 
DeleteKey = -1 
On Error Resume Next 
If hkRoot = HKEY_LOCAL_MACHINE Or hkRoot = HKEY_CURRENT_USER Or hkRoot = HKEY_CLASSES_ROOT Or hkRoot = HKEY_USERS Or hkRoot = HKEY_CURRENT_CONFIG Or hkRoot = HKEY_DYN_DATA Then 
Dim arrSubKeys 
Dim sSubKey 
Call objRegistry.EnumKey( hkRoot, sKeyPath, arrSubkeys ) 
If IsArray(arrSubkeys) Then 
For Each sSubKey In arrSubkeys 
Call DeleteKey( hkRoot, sKeyPath & "/" & sSubKey , bForce) 
Next 
End If 
DeleteKey = objRegistry.DeleteKey( hkRoot, sKeyPath ) 
End If 
End Function 

' Members Variables 
Private objRegistry 
End Class 
Dim str 
Dim r : Set r = New std_registry 
If r.ConnectProvider32( "." ) Then 

If r.ReadValue( HKEY_LOCAL_MACHINE , REG_EXPAND_SZ , "SYSTEM/CurrentControlSet/Control/Session Manager/Environment" , "ComSpec" , str )=0 Then 

Wsh.echo str 
Else 
Wsh.echo str 
End If 

End If