UPDATE: This tutorial has been updated with new manual methods which don't require any 3rd party patcher.
If you are visiting this place that means you are one of those people who are tired of annoying Yahoo! Messenger ads and want to get rid of them. Congratulations, you have come to the right place.
Yahoo! Messenger displays ads in its main window as well as in chat window and webcam window. There are many 3rd party patchers available which claim to remove ads from Yahoo! Messenger but the problem with those patchers is that they don't work with new messenger versions and you need to wait for an updated version of the patcher if you install a new version of Yahoo! Messenger.
Don't worry! If you don't want to use 3rd party patchers but want to remove the ads from Yahoo! Messenger window, here are 2 easy manual methods for you:
- Using Registry Editor
- Using Hosts File
After following any of the 2 methods given in this tutorial, you'll get a similar result as shown in following image:

So without wasting time, lets start the tutorial to disable or remove ads from Yahoo! Messenger window:
Method 1: Using Registry Editor
This method requires editing Windows Registry. It works for almost all Yahoo! Messenger versions. If it doesn't work for you, try the 2nd method given next.
1. Type regedit in RUN or start menu search box and press Enter. It'll open Registry Editor.
2. Now go to following key:
HKEY_CURRENT_USER\Software\Yahoo\pager\Locale
3. In right-side pane, you'll see a DWORD Enable Messenger Ad which would be set to 1.
4. Double-click on it and change its value to 0 as shown in following screenshot:

5. That's it. Start Yahoo! Messenger and you should not see any annoying ad.
PS: If you don't want to edit registry manually and want a ready-made registry script to do the task automatically, download following ZIP file, extract it and run extracted REG file. It'll ask for confirmation, accept it:
Method 2: Using Hosts File
If the above method doesn't work for you or you don't want to play with Windows Registry, this 2nd method will definitely work for you. Its very easy to use and works like a charm for all Yahoo! Messenger versions:
1. In this method, you'll need to edit a system file "Hosts". We'll use our exclusive freeware "Host Mechanic" to edit Hosts file.
First download Host Mechanic using following page:
2. Once you download the above mentioned tool, run it. Now enable "127.0.0.1" checkbox and type insider.msg.yahoo.com in Site: text box as shown in following screenshot:

3. Click on "Add to Host" button and close the program.
4. That's it. Start Yahoo! Messenger and you'll not see any annoying ad.
This article was posted by VG in following section: Yahoo! Messenger.
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sanjay
how to enable registry editor if its disabled
eL Abee
didn't work on YM 11.5
VG
^^ Its working. Personally tested. Try the 2nd method.
Billy
Thanks !!
I'm using yahoo messenger & using Kaspersky Internet Security to block it :)
Now this help me alot :D
kukung
thanks !
Its working
Malesh
while using host mechanic
getting error like :
The process cannot access the file
C/.../drivers/etc because it is being used by....
what to do for it??
regedit trick not working
in win7
VG
^^ Try to take ownership of following file:
C:\Windows\System32\drivers\etc\hosts
Raj
Thank you ..............
work in YM 11.5
Bob
The hosts part will also block the SMS feature in YIM.
Nick
Doesn't work for me on 11.5 final. =/