1. Open notepad and paste the following code:
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\yahoo\pager\YUrl]
“First Login Beacon”=”*”
“Tutorials”=”*”
“Messenger Help”=”*”
“Voice General Help”=”*”
“Change Room Banner”=”*”
“Address Book”=”*”
“Finance Disclaimer”=”*”
“Messenger Ad”=”*”
“Chat Adurl”=”*”
“Calendar Alert Ad URL”=”*”
“Conf Adurl”=”*”
“Mail Alert Ad URL”=”*”
“News Alert Ad URL”=”*”
“Personals Alert Ad URL”=”*”
“Stock Alert Ad URL”=”*”
“Webcam Viewer Ad Medium”=”*”
“Webcam Viewer Ad Big”=”*”
“Webcam Viewer Ad”=”*”
“Webcam Upload Ad”=”*”
“Chat Transition Ad”=”*”
“N2Phone Adurl”=”*”
“Webcam Viewer Ad Bid”=”*”
2. Save the file with any name and extension .REG
3. Right click on the file and select merge.
That's all and you are done with it.Now your yahoo messenger doesn't have any ads.