First of all :
You have to extract the "PB Farmer" files to your Desktop. Use this : WinRAR (64-bit) - CNET Download.com
If you have 32 Bit : WinRAR (32-bit) - CNET Download.com
Run the Injector as Administrator and on "What to inject" write : AVA.exe
Browse "PB-S Farmer" and inject it as you run AVA.