You can disable or remove or block Ads that coming from Yahoo Messenger Pre Alpha Version by using this Software Below:
Download the Yahoo Messenger Patcher here: http://www.4shared.com/file/112196316/89b261c1/YP100331.html and then replace the original at \Program Files\Yahoo!\Messenger\YahooMessenger.exe with the Ads Patch that you download it before.
Yahoo! Messenger 10.0.0.331 Installer Ads Remover
Alternatively, You can also use this Yahoo! Messenger 10.0.0.331 Installer Ads Remover at here. Just click "Patch" button and then smile ym 10 ads has gone!
