and you can login with all account in the same time and same computer? and now my next trick is, Open Multiple Yahoo messenger with 2 step.
STEP 1:
Now you must open REGEDIT, open regedit from RUN type REGEDIT and click OK.
And then find and open /HKEY_CURRENT_USER/Software/Yahoo/Pager/Test (you must install yahoo messenger on your system (PC).
and after u open test right click “new String Value ” and then name it plural.
Modify plural Value data to 0 (ZERO)
Click on Ok and Close everything.
STEP 2:
Copy this Code and paste to your notepad and save with name messenger.reg
REGEDIT4
[HKEY_CURRENT_USER\Software\Yahoo\Pager\Test]
“plural”=dword:00000020
Now you can open multiple yahoo messenger windows. Just keep on clicking on the yahoo messenger shortcut and it will pop up new window every time.