open multiple account in yahoo messenger:

open multiple account in gtalk:

create a shortcut of gtalk then paste this code:

"c:\Program Files\Google\Google Talk\googletalk.exe" /nomutex

open multiple account in yahoo messenger:

Click start then run

Write regedit, press enter

Goto “HKEY_CURRENT_USER\Software\Yahoo\Pager\Test”

Create a DWORD registry value named “Plural” by right clicking the right hand side window.

Double click the new DWORD entry and set the value to 1

Now you remain online with two or more different yahoo ids at the same time.