tried to upgrade to win 10, watched for 3&1/2 hrs, never finished. Stopped process, now setup says its cleanong up before clos

emtdmm

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Jan 19, 2016
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Went to library for good signal, tried to upgrade to win 10 from win 8.1. Watched it spinning for 4 hours, never finished. Stopped the process, got a screen saying setup is cleaning up before it closes. Been spinning for 6 more hours, never stops. Win 10 won't let me shut down or restart. Laptop is Dell 13.3, I7 5th gen, sshd. Can you direct me?