MRxSmb error message. any advice plz?

  second best 01:11 22 Nov 03
Locked

mandrake is my flatmates comp in the next room, his and another two share a net connection thru a router. can you tell me wha tthis means. what or why is he the master server. he is not, we just share the router. thinkng he is trying to do something without the rest of us knowing. sound paranoid i know, but i have my reasons!!

Event Type: Error
Event Source: MRxSmb
Event Category: None
Event ID: 8003
Date: 21/11/2003
Time: 12:16:18
User: N/A
Computer: UNFAITHFUL
Description:
The master browser has received a server announcement from the computer MANDRAKE that believes that it is the master browser for the domain on transport NetBT_Tcpip_{BC4BAD28-82BD-45F8-. The master browser is stopping or an election is being forced.

For more information, see Help and Support Center at click here.
Data:
0000: 00 00 00 00 03 00 4e 00 ......N.
0008: 00 00 00 00 43 1f 00 c0 ....C..À
0010: 00 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........

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