It is an instant messaging program (chat). If you don't use it, uninstall it. It may have been installed when you installed your browser or another program.
While you're at it, you can check out the other programs that are running at startup. It might speed up your PC.
http://www.pacs-portal.co.uk/startup_content.php
at times zonealarm tells me that yahoo messenger is trying to sent an email- im lost- i say no- but it keeps happening- more info-Yahoo! Messenger is trying to connect to the Internet or your local network First, bear in mind that the program that caused this alert may or may not be the program indicated by the file name YPager.exe. Trojan horses and other malware sometimes masquerade as legitimate programs by using the same file name.
If you are certain that YPager.exe is legitimate and properly named:
Give Yahoo! Messenger permission to connect. See the Details tab to learn how to do this.
ive run panda- adaware- rav- avg- nothing found- has anyone else had this happen?

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