I have a issue where i will run this batch file ( Which works great

Is there a way to get IE to re-read the registry?
@ECHO OFF
cls
set reg=HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Reg Add "%reg%" /v "ProxyEnable" /t "REG_DWORD" /d "0" /f
start iexplore http://www.google.co.uk
::Wait and add reg key 1
Timeout /T 30
Reg Add "%reg%" /v "ProxyEnable" /t "REG_DWORD" /d "1" /f
Many thanks in advance