Hang in there. I can't say how long it will take, but I can confirm we are making progress, although it reverts at 10% I still see some progress was made.
Add Missing Package
1. Click the Start button and type cmd.exe in the search box.
2. Right-click on the cmd that comes up and select Run as administrator.
3. Once you are at the command prompt, copy/paste the following line and hit enter.
pnputil -a C:\Windows\WinSxS\amd64_tsgenericusbdriver.inf_31bf3856ad364e35_6.1.7601.17514_none_9872c8452ac8f816\tsgenericusbdriver.inf
Let me know if it says successfully installed. If it does, try to install SP1.