asp.net 4.0 c＃“源代码与原始版本不同”对我来说也是404'

net project that runs but gives me a 404 when I click on links and 1/2 the images are showing up. Also when I try to debug the issue I get "source code is different from the original version" on the break points. I have tried:net project that runs but gives me a 404 when I