html error

i have a freetextbox that is a htmleditor , but when i want to send my html to server an error raise.
for example i want to send this line

hello

this error raises :
A potentially dangerous Request.Form value was detected from the client (ftbCaption="<STRONG>hello</STRON...")

how can i pervent this error?check out the FTB forums
http://www.freetextbox.com/forums/ShowPost.aspx?PostID=496

short anwser = put this line in your page directive:
ValidateRequest=false

that worked for me