Registration Page does not appear

Hi
I have recently installed CB on Joomla 1.7.3 and It installed successfully. I placed the Login Module on Position 7 and It appears fine with the registration link.When I click registration It shows. the following

You may not be able to visit this page because of:

1. an out-of-date bookmark/favourite
2. a search engine that has an out-of-date listing for this site
3. a mistyped address
4. you have no access to this page
5. The requested resource was not found.
6. An error has occurred while processing your request.

Please have a look in my Attachment
What's the wrong. Please Help me .

Lokpriya

Please follow instructions as outlined in Installation document.

I am guessing that you did not create a public menu item as instructed.