please help

[redmanmark86]

hi there, i slip streamed my XP pro install, and i told it what things i want to keep like IE7 and so on, however whenever i try to access sites like web outlook it wont let me, in IE7 and in IE6 i got HTTP 403 error saying this site requires a log in when i gave my details, and in firefox 2.0 i get "The specified request cannot be executed from current Application Pool"

i dont know what i did to break both of these but pelase help.

[ZcWorld]

does it work on any other pc

coz thats seeems a tab odd for both browsers not to work