Open Multiple Yahoo! Messenger

This is a great tips for anyone who have more than one YM account or share a computer with others. With this tips, you can open multiple account at the same time.1. Go to Start > Run
2. Type regedit and press Enter
3. Go to HKEY_CURRENT_USER > Software > Yahoo > pager > Test
4. Make a new String Value in Test. New > String
5. Name it "plural"
6. Double-click plural
7. Set value to 0
8. Close regedit

Now you can open more than one Yahoo! Mesenger with different account simultaneously.