Step by step instructions - Follow it or get out.
1. Go to your USER Control Panel (Looks like this)
2. Click edit options on the left. You should see a page like this
3. Under Miscellaneous Option, You should see Message Editor Interface. Select Basic editor - A simple text box or Standard Editor and try using ileech again.
I hope it helps, make sure you follow those instructions. I can't belive this thread as got up to here.