>>819
これでいいはず

REGEDIT4

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
"Search Page"="http://p2.2ch.net/p2/menu.php?";
"Search Bar"="http://p2.2ch.net/p2/menu.php?";

[HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Search]
"SearchAssistant"="http://p2.2ch.net/p2/menu.php?";
"CustomizeSearch"="http://p2.2ch.net/p2/menu.php?";

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchURL]
""="http://p2.2ch.net/p2/menu.php?";