compression error submitting new news

here is the error i get mozilla firefox

The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression.







The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression.

* Please contact the website owners to inform them of this problem.

edit to add: i get this error when i try to create a new thread in the alternative news forum

[edit on 13-5-2009 by Fremd]