If you install the newest Yahoo Messenger 7.5 + & Version 8 Yahoo! Messenger Ads can get really irritating at times. From time to time it changes Ads wasting our precious bandwidth. One of the easiest ways around this is to remove them using Y.AddsRemover. other efficient way to do this stuff is described in this post
you’ll notice a very annoying animated ads at the bottom of the main window.
To remove the Ads! Here is the Procedure!

(1)Open Notepad,
(2) Paste the following code on Notepad and save it as: somename.reg
Code: REGEDIT4

[HKEY_CURRENT_USER\Software\Yahoo\pager\YUrl]
“N2Phone Adurl”=”*”
“Messenger Ad”=”*”
“Address Book”=”*”
“Change Room Banner”=”*”
“Conf Adurl”=”*”
“Chat Adurl”=”*”
“Tutorials”=”*”
“Messenger Help”=”*”
“Voice General Help”=”*”
“Finance Disclaimer”=”*”
“Webcam Upload Ad”=”*”
“Webcam Viewer Ad”=”*”
“Webcam Viewer Ad Big”=”*”
“Webcam Viewer Ad Medium”=”*”
“News Alert Ad URL”=”*”

(3)Double click the file ( say: somename.reg )
(4)Click Yes
Its Done!! No more ads will be there in the yahoo messenger Window!

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