I am a forge modder and when I try to start a new mod, I download the forge version 9.11.1.953 src and then put it in a folder on my desktop, when I click the install batch file, it goes well until the minecraft.jar download then it gives me an error that says "Download of minecraft_server.1.6.4.jar failed hash check, deleting abcf286a14f7a
ee82e8bf89270433509 ba3145656b1480122bd8759cecd7b7a1
Something failed verifying Minecraft files, see log for details.
Decompile Exception: 1" and wont download anything after that. someone help?!