By default you have only one id login with your Google talk.
But now you can login with multiple id’s for chatting.
Follow these steps
1.Right click your Google Talk icon and go to properties.
2.Click on target tab and replace startmenu with nomutex.
3.Apply the changes and close the properties Window.
4.Now you are ready for launch multiple windows of Google talk and use different Google ID’s for chatting.
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