Why dosent my Windows Vista dosent work wif the voice conference on yahoo messenger?

Is there a way to make this voice thing to work. and i have tryed changing my yahoo messenger version to an older version .

Why dosent my Windows Vista dosent work wif the voice conference on yahoo messenger?norton

I have the same problem. So do a lot of others

http://forum.exetel.com.au/viewtopic.php...

http://malaysia.answers.yahoo.com/questi...

http://www.wackyb.co.nz/vb/archive/index...