after update the vs 2012 my project can't build or run why?

at first my project can build and run , but after update vs 2012, when build it always failed,unlink.why?
I buy this products, now it can’t use, and without any help,is there anyone will buy it later?

Which PVF are you using? Did you install the PVF for VS 2012?

when build it always failed,unlink.why?

How does it fail?

  • Mat