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#1
I don't know your screen resolution, my friend, but I think that may be the same bug as I am experiencing. It happened in windows 8.1 too, but less frequently. This is a rarely known Windows NT kernel bug that misdetects your DPI and make programs improperly scaled resulting in blurriness. You either have to deal with it or perform a clean install which may help, but I'm not fully sure. Hope you solve your problem, and of course report back if you solve anything as that may help others affected (like me). :)