Windows 7 PC restarts when MAC is on network

I have just got a Macbook Pro and am very happy with it but I have a problem, if I connect the Mac via wireless to the network, after a length of time it takes down any windows 7 PC that is wireless. (Restarts it).
The hardware I have is a have a Belkin Router N+.
I did notice that when I logged onto the belkin router I could NOT see the MACBook in the DHCP list so I gave the MACBook a name and it then appeared in the list so I thought I had solved it.
I left the MAC on all night and in the morning I started it up again to get my mail and everythjing seemed O.K. The next thing was that the Windows PC had restarted.
I also have a work PC with Windows XP which I use on my home network and it seems to loose wireless connection.
Any suggestions?

I think you're going to need to start sleuthing around. Write down the IP addresses of the Windows machines. Maybe have one of them start a really big download that will take 10-15 minutes. Then bring your MBP onto the wireless network and watch what happens to the Windows boxes.
It's likely a bug on the Windows side, as stated earlier. It could be something to do with the router sending out bad packets and tickling the bug on the Win7 boxes (seems unlikely).

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Hi,
first, try the jacky's solution, and verify if the issue is not from Hardware.
and , It looks like the definition of distributed by
policy for more secure.
I remember in the past I've set up for
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thanks,
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Windows 7 PC restarts when MAC is on network

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