Welcome to Justanswer.com, my name is Dustin.I'm sorry to hear about the issue you are having, I will do my best to help you resolve it.
windows 10 upgrades can sometimes go smoothly, and other times they can be a bit tough.
Would you like me to connect to your computer from here and work on the issue directly on screen? If so we can set this up via a secure remote assistance session. That session is guaranteed meaning if I cant help you then you will be entitled to a full refund of all fees.Otherwise, I can try and assist you via written support alone. Let me know how you'd like to begin.
Dustin S.Senior Technician and Network Switching Systems Operator / Maintainer.