By default Yahoo Messenger lets only one person to be logged in on one computer.
However, with a simple registry tweak (without using any other software), you can use multiple instances of Yahoo messenger on a single computer, each logged in with a different user id.
Just follow the steps below.
- Click Start button and type regedit in Run option then press Enter for next.
- Navigate to HKEY_CURRENT_USER/Software/Yahoo/Pager/Test

- On right pane, right click to create a new Dword value with name Plural and give it value 1.
- Now close the registry editor. (You may need to restart your computer for the change to take effect).
Note: It is advised that you take a backup of the registry before editing.
Now you should be able to open multiple instances of Yahoo Messenger. You can log in each of the instances with a different Yahoo ID.
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May 25th, 2008 at 2:45 am
This type of ideas is very much useful but they can also be dangerous for our computer. This can make our windows corrupt and you know that will ruin all the data on our computer. This way we will suffer a lot of loss