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_nvraid.inf_31bf3856ad364e35_6.1.7600.16592_none_95c1e7d0d8ba7548\nvraid.inf
Let me know if it says successfully installed. If it does, try to install SP1. If the SP1 install fails, please zip up and attach:
C:\Windows\Inf\setupapi.dev.log