$o_object.document.links.length ERROR

$oIE = _IECreate($oLink.Address , 0 , 0)
$oLinks = _IELinkGetCollection($oIE)
$DwnLink = ""


For $oLink In $oLinks

If StringInStr($oLink.innerText, "Windows 7 for x64-based Systems Service Pack 1") Then
$DwnLink = ($oLink.href)
ExitLoop
EndIf
Next

If $Dwnlink <> "" Then

_IENavigate($oIE , $DwnLink)

$iURL = _IEPropertyGet($oIE, "locationURL")

$iURL2 = stringregexpreplace($iURL , "http://www.microsoft.com/en-us/download/details" , "http://www.microsoft.com/en-us/download/confirmation")

_IENavigate($oIE , $iURL2 , 0)

sleep (10000)

winkill ("Download Security Update")

$oLinks = _IELinkGetCollection($oIE)

For $oLink In $oLinks
If StringInStr($oLink.innerText, "Start Download") Then
$DwnLink = ($oLink.href)
ExitLoop

EndIf
Next

$aDwnLink = stringsplit ($DwnLink , "/")

InetGet($DwnLink, @ScriptDir & "\KBs\" & $aDwnLink[$aDwnLink[0]] , 1 , 0)


_IEQuit ($oIE)

Endif