The FTB Forum is now read-only, and is here as an archive.
To participate in our community discussions, please join our Discord! https://ftb.team/discord
I know this is pretty delayed, but I'm guessing someone else will land here eventually since this is the only Google result for the 'cannot execute binary file' error that is on FTB's website. So I made an account just to answer this issue here on this forum.
The issue the OP is having is that...