Auron, were working on a number of things at the moment. Sorry for the delay.
ekantnl, you will need to turn the automatic navbar edit option off in HelpCenter options, then do the following template edit.
In Navbar, FIND:
HTML Code:
<td class="vbmenu_control"><a href="forumdisplay.php?$session[sessionurl]do=markread" rel="nofollow">$vbphrase[mark_forums_read]</a></td>
Below, ADD:
HTML Code:
<td class="vbmenu_option"><a href="helpcenter.php$session[sessionurl_q]">$vbphrase[helpcenter]</a>