Whenever I reply to a topic...

[Tio]

it says Page can not be displayed. what is the problem?

 

[BrAinPaiNt]

it says Page can not be displayed. what is the problem?

It will normally give you a reason when it says page will not display.

Does it say anything about too many images (emoticons), not enough characters (the ten character, word, limit) or what does it say?

Also if you currently changed your email address in your profile that may cause troubles as well.