Help IIS cannot start after install Visual Studio and SQL 2005 Express in XP Pro

I have installed VS.NET 2005 , SQL 2005 Express , Dot net framework 2.0 SDK ... then my IIS cannot start go toinetmgr i seeDefault Web Site(Stopping) click right mouse button to start then i have an error "the service did not respond to the start or control request in a timely fashion"i thinkWorld Web Service Publishing didnot start after runservices.msc i see i know i was right but when i start it i have another msg
"Could not start the World Wide Web Publishing service on Local Computer"
"Error 1717 : The interface is unknown"
Plz help me thank for leave comment
PS : before that i haven't installed Dot net framework with any version and my IIS v5.1 working fine

[998 byte] By [jackpirate] at [2008-1-10]