Who are you ?
When you're starting browsing a Wiclear powered site, you're not known by Wiclear : you're an anonymous user. What you can do depends on the general configuration of Wiclear.
You may be able to register, you may be able to comment, and you may be able to edit/add pages. In most of the cases you will be able to login. If you have previously registered to Wiclear and you have sucecssfullo logged in, than you may edit your preferences...