[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main] "DisableFirstRunCustomize"=dword:00000001 "Check_Associations"="no" {This will be useful if you use other browsers and doesn't want Internet explorer to check whether it is default or not} For more Internet Explorer Tweaks you can see the below post http://www.wincert.net/forum/index.php?/topic/8743-tweaks-merged/page__view__findpost__p__75262