OK, thanks for the answer.
Although D3 forum is a nice module, (understatement) the purpose for what I wanted to activate plXoo isn't exactly Q&A. D3Forum is a to big module for my purpose.
Kinda, Statement article/review in which ppl can reply, gicve their sence to it due some time. After sometime I close that session and start a new one.
(Hmm difficult to explain within the english lang)