oh. I am sorry to bother but I really tried to find by myself but could not !!
I installed the hack and the index.php page of the /vb/archive directory is displaying nicely.
Yet all the links on this index.php page point toward non-existent folders!!!
example
http://www.mydomain.com/vb/archive/29
and
http://www.mydomain.com/vb/archive/13
but checking that archive folder by FTP, there are NO Folders called 13 or 29 ....
I am so frustrated as I DID install this hack in the past and it worked nicely then.....
Whoever would help, I would be more than grateful and thankful.