double meta descriptions . advise please

Hello guys
hope you all having a nice summer

I would need some advise please

1st let me say that my errors in google webmaster tools went way down since i installed vbseo
there were a lot on the begin, lol but seems I get all done bit by bit

Well now next I have to fix are double meta descriptions
the most i have for memberlist
I would like to let the members list and profiles open for guests
I see there are always some people searching for membernames and finding then my forum, lol

What would the best way to do
that google dont giving me that error about double meta description like here:

‎/forum/‎‎
/forum/archive/‎‎
/forum/calendar.php‎‎
/forum/members/list/01.html‎‎
/forum/members/list/‎‎
/forum/members/list/b1.html‎‎
/forum/members/list/c1.html
‎‎/forum/members/list/d1.html
‎‎/forum/members/list/e1.html‎‎
/forum/members/list/f1.html‎‎
/forum/members/list/h1.html‎‎
/forum/members/list/i1.html‎‎
/forum/members/list/index19.html‎‎
/forum/members/list/index2.html‎‎
/forum/members/list/index3.html‎‎
/forum/members/list/j1.html‎‎
/forum/members/list/l1.html‎‎
/forum/members/list/n1.html‎‎
/forum/members/list/o1.html
‎‎/forum/members/list/p1.html‎‎
/forum/members/list/q1.html‎‎
/forum/members/list/u1.html‎‎
/forum/members/list/v1.html‎‎
/forum/members/list/w1.html
‎‎/forum/members/list/x1.html
‎‎/forum/members/list/y1.html‎‎
/forum/register.php
‎‎/forum/showgroups.php‎

Having some more errros there
but if you could just give me some tips for that one
I think I know what to do with the other errors then

Many thanks in advance

oh and
I also want to say
I find we doing very good with our new forum since we have VBseo
I am really very satisfied

Marina

I would need to do this maybe?
[How to] Setup Relevant Replacements with vBSEO
omg this looks very difficult to me, lol
maybe i better disallow guest to view members list?