Hi there, I'm Tim and will be assisting you today. I have over 15 Years as an Engineer and have been with eBay, DoD and many others. I will do my VERY BEST to help you. If you like i can offer remote access and a call. In addition, with any positive rating I will support your question going forward for free.
Windows 10 is very buggy still, many people are having issues with it, there are even more problems when rolled back back to the previous OS, often times data needs to be backed up and have the system restored.