Free users are typically limited to one active connection. If you try to download two files at once, you’ll hit the limit. How to Fix "Limit Reached For Free Download"
If you have a dynamic IP (common for home internet), unplugging your router for 30 seconds and plugging it back in will often assign you a new IP address. Limit Reached For Free Download Of This File Hitfile
Dealing with the "Limit Reached" Error on Hitfile: Causes and Solutions Free users are typically limited to one active connection