Can I sign with the same id on two diffrent computers?

can I sign with the same ID in two diffrent computers??

Can I sign with the same id on two diffrent computers?anti virus software

on web page yes you can, but if you will sign on messenger, no it isn't possible.

Can I sign with the same id on two diffrent computers?aurora

I don't think so...Yahoo Messenger recognizes it and automatically log you off to the other computer your using.