Umm, that's not really a solution. As it says, it uses the last previously successful build.
It means you can't compile new code and run it. That kind of defies the purpose of the compiler, so something is still wrong and you have not found a solution to it.
i am clueless on how to fix this right now : / any other ideas?
I registered just to try and help you, because I had the exact same problem! I hope I am not too late :P
In VS, go to
tools>options>projects and solutions>VC++ Directories
click the little folder button (new line) then in the new line that appears put:
I had the exact same problem as you, but I just did that and now it works.