For what its worth, check out your firewall settings and temporarily shut it off along with any other internet security software. See if you can...
Have you checked the node type on the laptop ? ? ? (ipconfig /all) If it is Peer-Peer, check out this article and see if it helps;...
You might want to check out the sticky at the top of this forum regarding this topic . . . try the fix posted there and report back if it works. :)
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