Why the text disappears once i type in the text and press enter?

precisely why i couldn’t see the actual im of my chat-mate

It’s as a consequence of a trouble with adobe thumb player.You can download along with install adobe pen player out of here

http://get.adobe.com/flashplayer/otherversions/

Put in adobe adobe flash player in addition to restart your yahoo messenger, and it’s going to be fine

Expect it will help, Thanks.