1 : Go to START and click on RUN type REGEDIT or WINDOW + R Keys
2 : Registry Editor Screen pop up, on the left go to HKEY_CURRENT_USER -> SOFTWARE -> YAHOO -> PAGER -> TEST
3 : Right click on the blank area then Click on New -> String Value and name it PLURAL
4 : Double Click on the Plural that you have just created, then enter 0 in the Value Data box and press OK.
5 : It is done now, and you can close the Registry Editor. From now on, you can open Multiple Yahoo IDs.
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