Try these articles
Configured Identity Is Incorrect for IWAM Account
http://support.microsoft.com/default.aspx?scid=kb;%5BLN%5D;Q297989
http://www.iisfaq.com/Default.aspx?tabid=3095
and this google search
http://www.google.com/search?ie=UTF-8&oe=UTF-8&q=%27the%20server%20process%20could%20not%20be%20started%20because%20the%20configured%20identity%20is%20 -- Cheers Chris Chris Crowe [IIS MVP] http://blog.crowe.co.nz>>> "abcd" <abcd@abcd.com> wrote in messagenews:OiXsrUpqFHA.3788@TK2MSFTNGP12.phx.gbl...>>I can see 2 Evern logs>>>> The server failed to load application '/LM/W3SVC/1/ROOT'. The error was'The server process could not be started because the configured identity isincorrect. Check the username and password.>> '.>> For additional information specific to this message please visit theMicrosoft Online Support site located at:http://www.microsoft.com/contentredirect.asp.>>>>>> and>>>>>> DCOM got error "Logon failure: unknown user name or bad password. " andwas unable to logon .\IWAM_G7RDENGR1 in order to run the server:{3D14228D-FBE1-11D0-995D-00C04FD919C1}>>>>>>>>>>>> "Chris Crowe [MVP]" <IISMVP2005@iisfaq.homeip.net> wrote in messagenews:eNatwEpqFHA.2064@TK2MSFTNGP09.phx.gbl...>>> Open your event log under Control Panel - Administrative tools and seeif you can see anything related to IIS and post your results.>>>>>> -->>> Cheers>>>>>> Chris>>>>>> Chris Crowe [IIS MVP]>>> http://blog.crowe.co.nz>>>>>>>>> "abcd" <abcd@abcd.com> wrote in messagenews:e7C7wxoqFHA.2540@TK2MSFTNGP09.phx.gbl...>>>> suddenly IIS manager is not working, when clicked nothing appears likedefault web site etc....so I uninstalled IIS ...thenr einstalled IIS andthen applied SP4 patch again....still IIS does not work...any clues....>>>>>>>>>>>>>>>>