Running Multiple Yahoo Messengers
It is possible to run multiple Yahoo Messenger simultaneously right after installing the official version of Yahoo Messenger.
You will need to apply a simple windows registry patch to enable this feature.
>>Follow these simple steps :
1. Open the notepad
2. Copy the following code
REGEDIT4 [HKEY_CURRENT_USER\Software\yahoo\pager\Test] "Plural"=dword:00000001
3. Save the above code as multi.reg
4. Either double click on this file or right click on it and select merge option. (aim is to merge this settings into windows registry)