Unknown SHARED Device?

Hi,
Just recently i've noticed that a Device named "Thomson" has appeared when I open the HD and it is the only device listed in the SHARED list (inbetween the DEVICES and PLACES lists)
It's icon is a PC type Monitor and i'm not familiar with the name Thomson and i've never connected to anything outside of my house in the country for this past few months. So I don't know where it has appeared from unless my wee sister has downloaded a virus type file for a Mac whilst playing online games?
I've never herd of a Mac Virus so I don't think my problem's threatening, but It shouldn't be there so i'm concerned.
Right clicking it only gives 2 options - "Open" or "Get Info".
Opening it reveals that i'm "connected as a guest".
Get info reveals that it's a "PC Server".
Any ideas as I cannot disconnect or delete this SHARED Device.

dherron wrote:
No neighbors named Thomsons though
No one needs to have the name Thomson for this to happen. Thomson is the name of a major electronics manufacturer. Similar to how the world has a billion wireless access points named "Linksys" because of the default network name of the Linksys wireless router, you may be seeing a "Thomson"-manufactured device on your network. Do you or any of your neighbors have any network-connected devices made by Thomson? Could be a wireless router, a networked printer or scanner, a modem, a wireless game adapter, a network extender, a media server...
I just Googled "Thomson wireless" and it turns out they make a whole range of wireless routers as seen here. It is even possible that your own modem is made by Thomson but branded for whoever sold it to you. There have been some reports of people's wireless gateways turning on in the Shared column. This makes sense because a wireless access point would probably ask you to log in before changing settings.

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Bump
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Unknown SHARED Device?

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