'UnBlock SP3 Update
On Error Resume Next
Dim WshShell, Message

Message = "This script will Unblock the SP3 Update." & vbCr & vbCr _
 & "This action will DELETE a Registry Key." & vbCr & vbCr _
 & "Adding information can unintentionally change or delete values and cause components to stop working correctly." _
 & "  If you do not trust the source of this information, do not add it to the registry."  & vbCr  & vbCr _
 & "Would you like to continue?"

M = MsgBox(Message, vbYesNo + vbInformation, "Paul's XP and Vista Tweaks")
If M = 6 Then 

Set WshShell = WScript.CreateObject("WScript.Shell")

WshShell.RegDelete "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\DoNotAllowSP"

Message ="You can now Update to SP3." & vbCr & vbCr _
 & "This script was downloaded from www.paulsxp.com."
MsgBox Message , 64 ,"Paul's XP and Vista Tweaks"
End If