Windows 10: 'SFC /scannow' errors on clean install Solved

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  1. Posts : 62
    Windows 10 Pro
       14 Jun 2016 #1

    'SFC /scannow' errors on clean install


    I decided to run 'SFC /scannow' on my recent clean install of Windows 10 and was surprised that it reported so many errors that cannot be repaired. I installed on a 256GB Samsung Pro SSD. After trying a few recommended fixes that all failed I decided to do clean install on a second SSD which I just finished doing. The only thing I've done is install Win10 Pro from a USB flash drive, install the motherboard drivers and then let Windows do an update. The update also downloaded and installed the NVidia graphics driver. Then when I ran 'SFC /scannow' the errors were there. Many seem related to the openCL.dll as well as other files that seem related to the Nvidia driver.

    I have 4 other PCs running Win10 and they all pass 'SFC /scannow' without any problems.

    Have any other folks noticed anything strange about Nvidia drivers?

    Next step is to do a refresh install and run 'SFC /scannow' before the video driver installs...
      My ComputerSystem Spec


  2. Posts : 62
    Windows 10 Pro
    Thread Starter
       14 Jun 2016 #2
      My ComputerSystem Spec


  3. Posts : 12,504
    Windows 10 Pro
       15 Jun 2016 #3

    The Nvidia drivers replace this opencl.dll file by their own version, it certainly is a known issue that is easily fixed, though it is also an issue that doesn't do any harm to the system.
      My ComputersSystem Spec


  4. Posts : 62
    Windows 10 Pro
    Thread Starter
       15 Jun 2016 #4

    axe0 said: View Post
    it certainly is a known issue that is easily fixed
    Do you know how to fix it on a system that's already installed??

    I started over again with a clean install, but this time I disconnected the Ethernet cable, installed the basic motherboard drivers, installed the latest NVidia driver (368.39) that I had previously downloaded, and then turned off auto install device drivers in the Device Installation Settings. I then connected to the Web and proceeded with updates, etc..

    Running Scannow currently reports no errors. From what I've read on that MS thread the error seems to be caused by allowing MS to install the NVidia driver, or perhaps it's the version of driver they use. But after installing the newest NVidia driver (368.39) the problem seems resolved.

    Perhaps performance is not impacted. But I would prefer it if 'sfc /scannow' did not report problems that it cannot fix, nor can the various DISM commands.
      My ComputerSystem Spec


  5. Posts : 12,504
    Windows 10 Pro
       15 Jun 2016 #5

    I have helped fixing this issue many times, but it can return if a Nvidia driver is being installed again afterwards.
    I believe Microsoft had fixed this issue some time again, but I'm not 100% certain though.
      My ComputersSystem Spec


  6. Posts : 62
    Windows 10 Pro
    Thread Starter
       15 Jun 2016 #6

    Just read more about configuring "dism /online /cleanup-image /restorehealth" to access a mounted Windows 10 ISO:

    Dism problem - Windows 10 Forums

    Perhaps that will work as DISM previously resulted in "The source files could not be found.".

    Seems easy enough ...

    PS: Just saw your reply AXE. I'll see if the above fix works and also look for previous replies to similar reports of the same issue on this forum. Thank you for helping :-)
      My ComputerSystem Spec


  7. Posts : 12,504
    Windows 10 Pro
       15 Jun 2016 #7

    What fix do you mean? I did not yet post any fix/suggestion in this thread.
      My ComputersSystem Spec

  8.    15 Jun 2016 #8

    axe0 said: View Post
    I have helped fixing this issue many times, but it can return if a Nvidia driver is being installed again afterwards.
    I believe Microsoft had fixed this issue some time again, but I'm not 100% certain though.
    I've never seen this Opencl.dll issue fixed yet myself, its still the only problem sfc finds on my computer for many months. What sfc will do is delete 2 files from Nvidia, then replace them with the MS files dated 10/30/15 which are VERY OLD.
      My ComputersSystem Spec


  9. Posts : 62
    Windows 10 Pro
    Thread Starter
       15 Jun 2016 #9

    axe0 said: View Post
    What fix do you mean? I did not yet post any fix/suggestion in this thread.
    You wrote "I have helped fixing this issue many times" which pointed me to searching more on this forum as you made me realize that I was finding an old problem. I downloaded the ISO and ran the recommended DISM command to use that ISO to do the repairs and it worked.
    After a reboot I ran 'sfc / scannow' and all is well



    There were a lot of other reported file errors so this fixed them too. I'll now reinstall the NVIDIA driver and know that it will restore it's own (newer) version of OpenCL.DLL which 'sfc / scannow' will complain about. But at least I now know what is causing the issue and all the file errors other than that one are fixed.

    As OldMike65 said - it's still an unresolved issue and I'm sure someone will post any fix on this forum when/if that happens.
      My ComputerSystem Spec


  10. Posts : 12,504
    Windows 10 Pro
       15 Jun 2016 #10

    Oh you meant that way

    Glad to hear.
      My ComputersSystem Spec


 
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