[eluser]gtech[/eluser]
check base_url in your config.php
if that gives you no joy you may need to post up a code example so people can have a better clue as to what is going on.
what urls are you using and how are you building them up?
are you using the optional htacess file?
[url="http://www.google.co.uk/search?q=codeigniter+"no+input+file+specified"&hl=en&client=firefox-a&channel=s&rls=org.mozilla:en-US:official&filter=0"]try some of the google links[/url]
