Another device is using my IP address

Today morning when I switched on my macbook, I received a message pop - up-"another device on the network use the IP address of your computer.

This means that my computer is hacked? Or has nothing to do with the common wi - fi network, I use?

http://osxdaily.com/2010/09/19/another-device-on-the-network-is-using-your-Compu ters-ip-address.

Tags: Notebooks

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