Hope I am not going to jinx myself by saying this, but after having quite a few weeks of disconnects I might have found a solution, I have been going for over a week now without any issues
Windows Media Player DLNA sharing seems to have caused the issue for me, disabling the sharing (on by default) seems to have cured it
Control Panel
Network and Internet
Chose Homegroup Sharing Options
Change Pictures/Videos/Music to Not Shared
Sorry if this has already been mentioned, if not I thought it might be useful to anyone that gets dropouts as a possible solution (or something to try)
I am on Windows 8 so not sure if the above applies to other versions
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