Following these steps You will be able to login with multiple ID's on the same yahoo messenger.
Here are the steps to follow:
* Go to Start --> Run --> Type regedit,hit enter
* Go to HKEY_CURRENT_USER --> Software--> Yahoo --> pager -->Test
* On the right pane --> right-click and choose new Dword value .
* Rename it as Plural.
* Double click and assign a decimal value of 1.
* Now close registry and restart yahoo messenger.
* For signing in with new id open another messenger .
And after restarting Yours computer You will be able to use yahoo messenger as multi yahoo messenger.
Here are the steps to follow:
* Go to Start --> Run --> Type regedit,hit enter
* Go to HKEY_CURRENT_USER --> Software--> Yahoo --> pager -->Test
* On the right pane --> right-click and choose new Dword value .
* Rename it as Plural.
* Double click and assign a decimal value of 1.
* Now close registry and restart yahoo messenger.
* For signing in with new id open another messenger .
And after restarting Yours computer You will be able to use yahoo messenger as multi yahoo messenger.