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Thread: Brother printer-driver BrUsbSib.sys(oem94.inf) blocking Core Protection-win10s.

  1. #1
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    Brother printer-driver BrUsbSib.sys(oem94.inf) blocking Core Protection-win10s.

    Have big problems with Brother-Printer-Software(for MFC-L2710DW multifunctional Laserprinter) blocking activating Core Protection(german: Kernisolierung). see attached image.
    there are workarounds. pnputil /delete-driver (name of driver) didnt work. since oem94.inf is used by multiple instances. windows 10 stopped it.
    best was using deinstaller by brother. it will not remove software at all. only registry-remains.
    But then had problems with no more Duplex-printing.
    Lately installed software the right way. But in device-manager i saw exclamation mark.
    No i am unsure what next.
    I am also unsure if core protection was activated when in installed.
    could check my other ultrabook for the same problem again. there it happended for the first time.
    Last edited by SpywareDr; Yesterday at 10:36 AM.

  2. #2
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    deleted driver in device-manager but only deleting with brother deinstaller unblocked core protection-activation.
    as a result duplex-printing is greyed out inb pdf xchange viewer. alternative pdf program(dont remember maybe pdf viewer plus) seems integrated in SW. which i removed also using deinstallation in brother utilities
    I can print but not scanning without Bro-SW. Brother must take care of this problem. win10s and 10 are declaring the driverfile BrUsbSib.sys(oem94.inf) as dangerous.Kernisolierung Brother Treiberblockierung.jpg
    Last edited by SpywareDr; Yesterday at 10:38 AM.

  3. #3
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    Brother seems to have solved the Core Protection-problem but Duplex-printing outside Brother-Printing-app/driver remains blocked.
    Tried multipe pdf- programs now. no duplex. in last one one can activate(a bit hidden) but no result.
    Pdf xchange viewer, lite version and editor. last one installed(have 1 year trial) Soda pdf.
    Nothing can be changed in windows 10 itself-10s to be precise here.
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    Core Protection blocking solved-Not Duplex outside Brother-SW

    News about driver-compatibility. I am surprised.
    coming from here:
    https://support.microsoft.com/de-de/...9-de7ca31d2b37
    https://support.brother.com/g/s/id/o...10s.html#mfc-j
    MFC-L2710DW is listed and compatible
    Only Utilities nonworking. Had them once installed. not anymore.
    Brother original drivers on the CD-ROM/DVD-ROM bundled with your Brother machine or available in the download page are NOT compatible with Windows 10 S.
    -------------------------------


    Utility softwares (ControlCenter/ PC-FAX software/ BRAdmin Light/ PaperPort™/ Presto! PageManager .etc) are NOT compatible with Windows 10 S.


    Any models not listed below DO NOT support Windows 10 S.
    ------------------------
    in my case duplex only possible within brother-software. can live with it. latest installation was auto-update. so not complete package installed. yes i dont see utilities anymore with deinstaller integrated.
    will check the same on win 10 machine and reinstall driver.
    Last edited by europanorama; 12-28-2021 at 09:09 AM.
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  5. #5
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    The same problem also with win10 ultrabook i7. core protection blocked.
    after a longer time of unused ultrabook-win 10s-ultrabook was used-i had printing problems. only after windows updates i could print. then i recognized the same duplex-printing blocking outside brother-printer -sw.
    Then i remembered uninstall-SW by Brother. in reality its only removing registry-entries brother-expert told.
    After that i could reactivate core protection(in german: Kernisolation). its now asking to restart. see you.
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  6. #6
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    after precise deinstallation of brother-software Core-isolation still blocked by this driver.
    everything found it. i need allowance by system to remove. how to do? windows 10.
    C:\Windows\System32\DriverStore\FileRepository\brp om17a.inf_amd64_35497c253f5ddb29\amd64\BrUsbSib.sy s
    systemberechtigung zum löschen von BrUsbSib_sys.jpg
    Last edited by europanorama; 06-04-2022 at 06:35 PM.
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  7. #7
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    Hope its solved by this:
    PS C:\WINDOWS\system32> pnputil /delete-driver oem94.inf /uninstall /force /reboot
    Microsoft-PnP-Hilfsprogramm

    Das Treiberpaket wurde deinstalliert.
    Das Treiberpaket wurde erfolgreich gelöscht.
    PS C:\WINDOWS\system32>
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    Core-isolation/protection could be activated. only have to restart. i wonder what will happen when brother-printer-SW had been reinstallated. and if i need to remove oem94.inf again without removing SW.
    had the same with rappoo-mouse-driver. not with hama-mouse.
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  9. #9
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    Brother printer-driver BrUsbSib.sys(oem94.inf) blocking core protection/isolation

    could the administrator pls exchange the wrong filename in title?
    correct is: oem94.inf
    thanks
    got to PS= Windows Powershell(Administrator)
    C:\WINDOWS\system32> pnputil /delete-driver oem94.inf /uninstall /force /reboot

    Microsoft-PnP-Hilfsprogramm
    Das Treiberpaket wurde deinstalliert.
    Das Treiberpaket wurde erfolgreich gelöscht.
    PS C:\WINDOWS\system32>

    Translation:
    Successfully deinstalled Driverpackage
    Successfully deleted Driverpackage
    Last edited by europanorama; 06-12-2022 at 08:50 PM.
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  10. #10
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    SOLVED -old driver not adviced to use. Thanks Brother for solution

    Go german tip what was wrong from Brother Germany.
    Old driver/program-package not advised to use.

    I can scan but tried only from device.
    Must discuss with brother if there will be options nonworking anymore then.
    Will check and show correct driver.
    --------------------------------------------------------------------------------------------
    at MODERATOR: filename on startmessage must be changed to oem94.inf
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  11. #11
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    Quote Originally Posted by europanorama View Post
    at MODERATOR: filename on startmessage must be changed to oem94.inf
    Changed all oem37.inf to oem94.inf.

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