I don't really need to have a look, if they feel so insecure as to block access to their support forum why should I care.
But it does speak volumes in relation to their use of avast.eu for what would be considered underhand/desperate measures, what do they have to hide on their forums

You only have to look at the number of guests browsing the forums, no restrictions to people seeking information without having to register, jump through hoops, see image.