I read an earlier post somewhere that you were able to compile your anti-virus game in VS2013? If true do know if the rest of the content from the book works also. I upgraded to VS2015 and now that I started going through the book, I made it to chap.4 I am getting linker errors from d3d9.lib and d3dx9.lib.. I follow instructions from of. 101 with no luck. Do you maybe have any suggestions?