Everything is local on my workstation so the network is not involved.

>>Today saving the exact same classes as yesterday everything is working just fine.!!!
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>The 12th was Update Tuesday -- not that it should matter much for Windows 10 (supposedly it's not going by the same schedule for pushing updates).
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>BTW, is the source code on a local drive or a network? If network, it could be connected to problems you're having with the network card ":falling asleep".
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>Another thing to check -- what does Windows state regarding type of network? Is it Private or Public?
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>Also, is the network connection a wired one or wireless? My personal preference is to use a wired one and disable the wireless -- too many times I've had headaches in some situations where multiple wireless networks are found and Windows keeps trying change networks due to some sort of metric..