REGEDIT4 

[HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Search] 
"SearchAssistant"="http://ie.search.msn.com/{SUB_RFC1766}/srchasst/srchasst.htm" 
"CustomizeSearch"="http://ie.search.msn.com/{SUB_RFC1766}/srchasst/srchcust.htm" 
"Default_Search_URL"="http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch"

[HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Main]
"Default_Search_URL"="http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch"
"Search Page"="http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch"

[HKEY_USERS\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Search Page"="http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch"
"Search Bar"="http://g.msn.com/0SEENUS/SAOS01"

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchUrl] 
""="http://home.microsoft.com/access/autosearch.asp?p=%s" 

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\main] 
"Search Page"="http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch"
"Search Bar"="http://search.msn.com/spbasic.htm"
"Use Custom Search URL"= dword:00000000

[-HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks]

; reset default entries for XP\IE6

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks]
"{CFBFAE00-17A6-11D0-99CB-00C04FD64497}"="" 

[-HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\URL]

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\URL]

[-HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\URL\DefaultPrefix]

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\URL\DefaultPrefix]
@="http://"

[-HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\URL\Prefixes]

; reset default entries for XP\IE6

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\URL\Prefixes]
"ftp"="ftp://"
"gopher"="gopher://"
"home"="http://"
"mosaic"="http://"
"www"="http://"

[-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\AboutURLs]

; reset default entries for XP\IE6

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\AboutURLs]
"NavigationFailure"="res://shdoclc.dll/navcancl.htm"
"DesktopItemNavigationFailure"="res://shdoclc.dll/navcancl.htm"
"NavigationCanceled"="res://shdoclc.dll/navcancl.htm"
"OfflineInformation"="res://shdoclc.dll/offcancl.htm"
"Home"=dword:0000010e
"blank"="res://mshtml.dll/blank.htm"
"PostNotCached"="res://mshtml.dll/repost.htm"
"mozilla"="res://mshtml.dll/about.moz"

; reset Windows Placement

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
"Window_Placement"=-

; reset Toolbars data

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser]
"ITBarLayout"=-