[Iska]

Код:

Option Explicit

Const HKEY_LOCAL_MACHINE = &H80000002


Dim objSWbemObjectEx
Dim strValue


Set objSWbemObjectEx = WScript.CreateObject("WbemScripting.SWbemLocator").ConnectServer(".", "root\default").Get("StdRegProv")

If objSWbemObjectEx.GetStringValue(HKEY_LOCAL_MACHINE, "SOFTWARE\Wow6432Node\Mozilla\Firefox\TaskBarIDs", "C:\Program Files (x86)\Mozilla Firefox", strValue) = 0 Then
	WScript.Echo strValue
Else
	WScript.Echo "Can't find subkey or parameter in registry"
End If

Set objSWbemObjectEx = Nothing

WScript.Quit 0

Определитесь, у Вас:

"C:\\Program Files (x86)\\Mozilla Firefox" »

или же:

WSHShell.regread ("HKLM\SOFTWARE\Mozilla\Firefox\TaskBarIDs\C:\Program Files\Mozilla Firefox") »