Thank you so much NavyLCDR

I did as you said and gave "everyone" "Full Control" and was able to delete the file.

After that, I moved a correct copy of "hidclass.sys" to the desktop, uninstalled...

I followed the instructions in the link but when I click (pressing enter since the mouse isn't working) on the "change" link of the "Advanced Security Settings" window, the Advanced Security Settings...

I have a major problem on my desktop Win 10 Pro X64 computer. I won't go into all the detail since I'm still problem solving on my own. However, I do need help with one issue so I can continue...