"Error while waiting for reply"

Upgraded from u30 to u32 (in Win XP). I get this error. The connection is definitely established - otherwise LFS shows a special message. I use Proxifier to go over SOCKS5 over our LAN firewall. What may go wrong?

Your firewall is likely blocking it, because the .exe changed. Same thing happened to me, just allow LFS.exe to connect, and try again.

I had disabled it beforehand.