Mrxsmb errors

Hi There,

Please can someone explain why does these typr of error messages come up on event viewer.

The master browser has received a server announcement from the computer computername that believes that it is the master browser for the domain on transport NetBT_Tcpip_{7309BB38-60F3-4AB4-8AF. The master browser is stopping or an election is being forced.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Thanks a mill