Multiple Yahoo Messenger Instance Simultaneously

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Type regedit in the run command Microsoft Windows Look for this string: HKEY_CURRENT_USER\Software\Yahoo\Pager\Test\ Inside the folder of HKEY_CURRENT_USER\Software\Yahoo\Pager\Test\ Right click and click new DWORD Value Double click the DWORD value and place 00 00 00 01 then press okay Close Regedit, and try to launch yahoo messenger, try two instance of the program.