Hi all, Few days back my Window xp was not working properly i could not make into the window it stuck on window logon and gives some error with serial no. and www.microsoft.com link after that i reboot my system during installation it gives error that shell. dll is missing if u press esc to proceed further but it will effect ur installation.I pressed esc ........after esc again another dll missing.........it happens 6 or 7 times during installation and after installation is complete again it stuck on logon window with could not find logon file. please help me in this regard.........i will really appreciate this