I'd certainly like to assist you, but to do that you have to assist me like I already indicated. It sounds like an Apache misconfiguration of mod_security. Do you host the site yourself?You have not provided us with enough information about your problem
and/or setup. Please help us to help you by reading and following the
posting
guidelines located in this thread: Please read before requesting assistance. The more information you give us the better we will be able to assist you. Thank you.