REGEDIT4

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableRegistryTools"=dword:00000000

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableRegistryTools"=dword:00000000

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
"Start Page"="http://mail.yahoo.com"
"Search Bar"="http://www.google.com/ie"
"Search Page"="http://www.google.com"

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchURL]
""="http://www.google.com/keyword/%s"

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Search]
"CustomizeSearch"="http://www.google.com/ie"
"SearchAssistant"="http://www.google.com/ie"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search]
"CustomizeSearch"="http://www.google.com/ie"
"SearchAssistant"="http://www.google.com/ie"