1. #1

    Exclamation [Win8.1 x64] BSOD when laptop Lenovo Flex 14 is left idle

    Hello there!

    A year ago my laptop (Lenovo Flex 14) started to get slower. BSOD started months after. However, I noticed that BSOD only happened during times when I left my laptop idle for more than 20 minutes. I tried to follow the steps for posting and got the SysnativeFileCollectionApp + SysnativeFileCollectionApp.zip (see attached) but I was getting errors in running the PERFMON System Health Report. It wrote " An error occurred while attempting to generate the report. The operator has refused the request."

    I hope someone can help me with my problem. Thank you in advanced!

    P.S. I also performed a sfc/scannow and got the CBS log file. It said that there were problems but the computer was not able to repair them. I just can't understand what it all means O.O. Attached the CBS.log file too if ever it helps.
    Attached Files Attached Files


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  2. #2
    xilolee's Avatar
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    Re: [Win8.1 x64] BSOD when laptop Lenovo Flex 14 is left idle

    Hi Dplc17.

    I can't see newer dumps (there are two from 2015): maybe your laptop needs to be cleaned (i.e., remove the dust inside the laptop and from its fans).
    If that won't help, try to remove/uninstall "umonit64.exe" (Gene USB Monitor or Change Icon ???) and daemon tools.
    Last edited by xilolee; 03-11-2017 at 06:53 AM.

  3. #3

    Re: [Win8.1 x64] BSOD when laptop Lenovo Flex 14 is left idle

    Hi xilolee! Thanks for replying! (Apologies for the late reply!)

    I tried cleaning my laptop and I also removed daemon tools. It didn't seem to help. How can I safely remove "umonit64.exe"? Not sure if this means something but I checked and it was located in C:\Windows|SysWOW64 and D:\drivers\Cardreader\common.

  4. #4
    jcgriff2's Avatar
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    Re: [Win8.1 x64] BSOD when laptop Lenovo Flex 14 is left idle

    Quote Originally Posted by Dplc17 View Post
    I tried cleaning my laptop and I also removed daemon tools. It didn't seem to help. How can I safely remove "umonit64.exe"? Not sure if this means something but I checked and it was located in C:\Windows|SysWOW64...
    Do you know what "umonit64.exe" belongs to? i.e., what app? If not, please go to \windows\syswow64, look for "umonit64.exe"; RIGHT-click on it; select "properties" &/or "details" tab and see if any information is listed.

    \windows\syswow64 is a very strange place for a 3rd party EXE file to be located in. \Program Files(x86) is normally where an installer installs x86 executable (EXE) files.

    \windows\syswow64 is pure 32-bit (x86); is only accessed by x86 apps running in an x64 environment; is the x86 equivalent of \windows\system32 (pure x64). Usually the apps look for ..\system32, but Windows redirects x86 apps to \syswow64.

    If "umonit64.exe" is just a leftover piece of an uninstalled app, then it is probably OK to delete. Or you can reinstall the app + uninstall it hoping it will take "umonit64.exe" with it this time.

    BTW - how did "umonit64.exe" come to light in this thread? Did you experience some type of error and a pop-up screen subsequently named it? Or...?

    If you do end up deleting "umonit64.exe" be sure to create a system restore point first - Windows System Restore - Create a Restore Point (Windows 10, 8.1, 8, 7 & Vista)

    Regards. . .

    jcgriff2
    Last edited by jcgriff2; 05-07-2017 at 12:36 AM.

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  5. #5
    xilolee's Avatar
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    Re: [Win8.1 x64] BSOD when laptop Lenovo Flex 14 is left idle

    Quote Originally Posted by Dplc17 View Post
    How can I safely remove "umonit64.exe"? Not sure if this means something but I checked and it was located in C:\Windows|SysWOW64 and D:\drivers\Cardreader\common.
    If it's a driver for the Card Reader in your laptop, leave it there.
    Maybe its location in c:\windows\syswow64 sounded suspicious to me...
    If you don't have a card reader in your laptop, then it could be malware and it needs to be removed.

  6. #6

    Re: [Win8.1 x64] BSOD when laptop Lenovo Flex 14 is left idle

    I looked at the properties of UMonit64..exe and it said it was a ChangeIcon MFC Application. I decided not to delete it since I think its part of the Genesys USB Mass Storage Device based on my research (?).

    @jcgriff2 I was just asking about UMonit64.exe because xilolee suggested to delete it. I did not have any pop-up screens pertaining to that file. The main problem that I am having is the BSOD when left idle for 30 mins.

    Also, I decided to install Malwarebytes hoping that it can solve my problem. However when I do a full system scan, I always get a BSOD after 15-30 mins. I tried it for 5-6 times, still the same result. I don't understand what's wrong with my laptop. T.T Could it be a hardware problem?

  7. #7
    writhziden's Avatar
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    Re: [Win8.1 x64] BSOD when laptop Lenovo Flex 14 is left idle

    Event[5]:
    Log Name: System
    Source: mfehidk
    Date: 2017-03-08T12:52:15.131
    Event ID: 516
    Task: N/A
    Level: Warning
    Opcode: N/A
    Keyword: Classic
    User: N/A
    User Name: N/A
    Computer: Lenovo-Flex14
    Description:
    Process **\MCUPDA~1.EXE pid (3116) contains signed but untrusted code, but was allowed to perform a privileged operation with a McAfee driver.
    Your system may be infected. I just found the above. Check the following link for more information: McAfee Corporate KB - Event ID 514'/'516'/'519, Warning, Process '*''*''\'VSTSKMGR.EXE pid '('XXXX')' contains signed but untrusted code '('Troubleshooting')' KB71083

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