Windows 10: Superfetch errors and system 32 sysmain.dll

Discus and support Superfetch errors and system 32 sysmain.dll in Windows 10 Performance & Maintenance to solve the problem; My Win 10 is on a Samsung 250 SSD Superfetch service is running with automatic as its configuration Past 3 days there are event errors which include... Discussion in 'Windows 10 Performance & Maintenance' started by Rose W, Apr 8, 2016.

  1. ROSE W
    Rose W Win User

    Superfetch errors and system 32 sysmain.dll


    My Win 10 is on a Samsung 250 SSD
    Superfetch service is running with automatic as its configuration
    Past 3 days there are event errors which include 'Superfetch services terminated unexpectedly' path error is system3\sysmain.dll
    I did install the Adobe Flash update in this time frame. Otherwise updates are the behind the scenes store apps-which I don't use nor do I connect to the store.
    Scans with Malwarebytes and a deep scan with Windows Defender were clear.
    sfc scannow reported no issues.
    I did the above after the computer suddenly shut down/restarted while reading email
    Used 'Who Crashed' and no dmp file available.
    I thought Superfetch was to be turned off by Win10 if SSD present. Mine is on. Other posts on this forum are not conclusive regarding turning it off. My registry indicates both enable prefetch and superfetch are a 3 ( enable prefetch on everything)
    Main software used daily is Lightroom, Photoshop, Firefox, email, and occasionally MsOffice 2010, Notebook++, (No games)
    Since this error is listed for the past 3 days what would be the plan - stop Superfetch? - is a Chkdsk in order?

    :)
     
    Rose W, Apr 8, 2016
    #1
  2. RAJESHWARI_PATIL
    Rajeshwari_Patil Win User

    System 32 Errors

    Hi,

    Thank you for posting your query in Microsoft Community. I understand the inconvenience caused to you. Let me help you.

    The "C:\WINDOWS\SYSTEM32\CMD.EXE" file has been identified as a program that is undesirable to have running on your computer. Please note that this infection is an Alternate Data Stream file attached to the legitimate C:\Windows\System32\ folder. Do not
    delete the C:\Windows\System32\ folder as Windows will not operate correctly without it.


    I suggest you to check if there is a cmd process running in the background and if there is any then try to end that process from the Task Manager.

    Follow the below steps to end the process from the Task Manager:

    1. Right click on Start button and click on Task Manager.

    2. Click on More Details.

    3. Select the Processes tab.

    4. Right click on the cmd process and click on End Task.

    Let us know if you need further assistance with Windows related issues. We will be happy to help.
     
    Rajeshwari_Patil, Apr 8, 2016
    #2
  3. PATBLACKWELL
    PatBlackwell Win User
    System 32 Errors

    I occasionally get system32 errors. I need to know if I should be concerned. Can anyone explain why I'm getting them and what I can do to prevent the errors?

    Example: C:\WINDOWS\system32\cmd.exe
     
    PatBlackwell, Apr 8, 2016
    #3
  4. TAIRIKUOKAMI
    TairikuOkami Win User

    Superfetch errors and system 32 sysmain.dll

    TairikuOkami, Apr 9, 2016
    #4
  5. ROSE W
    Rose W Win User
    Thank you for that information. I ran the chkdsk and no negative results. I'll turn the superfetch off in services.
     
    Rose W, Apr 9, 2016
    #5
  6. ELPUSHER
    eLPuSHeR Win User
    I have disabled Superfetch service on my installation too. No matter how I run winsat formal W10 assumes Superfetch is great for SSD too.
     
    eLPuSHeR, Apr 10, 2016
    #6
  7. ROSE W
    Rose W Win User
    I checked the registry and it still had the 3 in the Prefetch so I opened the Samsung Magician software which comes with the SSD and in its advanced section there was a recommended setting to turn off prefetch. No errors have appeared in the event viewer.
    The previous days the sysmain.dll error appeared through the day in event viewer and in the performance reliability chart. so it wasn't just a start up report
    After the shut off there has been no more errors or sudden shutdown.
     
    Rose W, Apr 4, 2018
    #7
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Superfetch errors and system 32 sysmain.dll

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