It means you need to stop trying to hack the board!

Seriously, though, I didn't even know it did that. Which post were you trying to reply to? I want to see if I can duplicate it.

Nevermind, I found it and fixed it. I guess it doesn't like the <

What the hell does this mean when I tried to respond to a post?

"We cannot post this because it appears that you are tring to hack the topic subject. Use your back button to try again."

Would it be because the person had <=) in the subject line?

It probably thought you were trying to add VBscript or other risky tags (supposedly if you overflow a link it can turn into executable code). For kosher HTML use &ampgt and &amplt to do > and <.