How to remove Ads from yahoo messenger???

Step 1:    Open start menu and click on RUN tab
 
Step 2:    Type Regedit

Step 3:    GOTO HKEY_CURRENT_USER/Software/Yahoo/Pager/y    url
 
Step 4:    On Right hand side,  find  Chat Adurl
               Delete this String!!

Step 5:   Add new String
               New Value =1
               Rename it to  Chat Adurl

Step 6:   Find  Messenger Ad
                 Right click  and select Modify option
                 Remove the VALUE DATA 
                 and click OK!!

[FIND : Webcam Upload Ad , Webcam Viewer Ad
And do the same steps as done in STEP 6]