I have a web service and an web application deployed on my laptop. the webservice works fine but when open my web application It told me The page cannot be displayed, the title is "Server can not find"
hmm, if you are having the same problem when debugging, the problem doesnt sound like it would be in IIS as Visual Studio uses its own web server to run on.
Also as you stated the project runs fine on another machine. I would suggest clean/ rebuild project option if you havent done so already. and if this doesnt work, i would reinstall visual studio and try to rebuild and try to run the project again.