try this:
[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
"Search Page"="http://www.google.com"
"Search Bar"="http://www.google.com/ie"
[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchURL]
""="http://www.google.com/keyword/%s"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search]
"SearchAssistant"="http://www.google.com/ie"
SearchURL should be this:
"http://www.google.com/keyword/%s"
NO double quotation marks
will you tell me what's ur default search engine is, Microsoft Engine??? cos some websites change your default search engines and very hard to change it ....