How to open Multiple Gtalk windows for Multiple Login??? you can login with multiple Email ID's in Gtalk
1. Right-click Gtalk shortcut and select Properties.
2. The shortcut properties dialog box as shown below should popup.
3. Just add /nomutex to the existing text
Eg: “C:Program FilesGoogleGoogle Talkgoogletalk.exe”/nomutex
4. Now you can launch multiple windows and use different ID’s.
Or You May Try This (Searched on Google)