MyBB Community Forums

I have a problem setting my domain dns, it's not working like other services, with this i need to change something to mybb, you surely know what.

I need to edit the header of all page of the forum ( i dont know what is the file or what is the template from cp) and put this string

<base target="_top" />

Then I need to change the forum address from (example) subdomain.domain.com to domain.com

That's all, how to do that? Please help me i'm wasting time to found the solution from 10 hours ago
Be clement please i need to solve this.

Maybe this:
http://community.mybb.com/thread-74904.html

The problem is not the cookie, I need to do these changes to make work di addresses of all page, because my domain seller has particular dns settings..

Edit: simply I need to know what is the file or template (that is related to all forum pages) to put that code. And the option to change forum address from a simple subdomain (by freehosting) to a domain (bought).

ACP > Configuration > General Configuration

You can edit your board settings there.

Not too easy like you think...