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Desktop Window Manager has registered the session port causes screen to lock

Anonymous
2020-09-25T00:24:06+00:00

I have a user that is experiencing an issue where her screen with lock randomly throughout the day.  There does not seem to be any connection to what she is doing.  This will happen when she is in the middle of working or not working on it.  The event below is logged when it happens.  I have replaced the users computer and the issue has persisted.  Please let me know if there is a way to figure this out.

Log Name:      Application

Source:        Desktop Window Manager

Date:          9/24/2020 5:09:46 PM

Event ID:      9027

Task Category: None

Level:         Information

Keywords:      Classic

User:          N/A

Computer:      

Description:

The Desktop Window Manager has registered the session port.

Event Xml:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

  <System>

    <Provider Name="Desktop Window Manager" />

    <EventID Qualifiers="16384">9027</EventID>

    <Level>4</Level>

    <Task>0</Task>

    <Keywords>0x80000000000000</Keywords>

    <TimeCreated SystemTime="2020-09-25T00:09:46.560225700Z" />

    <EventRecordID>9901</EventRecordID>

    <Channel>Application</Channel>

    <Computer></Computer>

    <Security />

  </System>

  <EventData>

  </EventData>

</Event>

Windows for home | Windows 10 | Settings

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  1. Anonymous
    2020-09-25T00:37:27+00:00

    Hi and thanks for reaching out. My name is William. I'm a Microsoft Windows Certified Professional and Systems Administrator. I'll be happy to help you out today.

    If the problem follows the user to a different device, then I assume that this she is part of a network/domain that is using some sort of roaming profile technology. If that is the case, then to completely eliminate the cause, the roaming profile would be need to be deleted as well.

    Either way, it sounds as if DWM is crashing. You may want to enable user-mode crash dumps to capture DWM process: https://docs.microsoft.com/en-us/windows/win32/...

    Afterwards, restart the computer, reproduce the issue, and go to %localappdata%\CrashDumps.

    You may then upload the .dmp file to OneDrive, Google Drive, or some other file share service, share the file, and post the link here.

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  2. Anonymous
    2020-09-29T17:10:59+00:00

    WIlliam,

    I setup the registry key and will key an eye out for a dump file but i wanted to clarify if this is actually a crash that will initiate a dump or if this is something windows will think is fine.  Based upon what i am seeing there is not an actual app crash occurring.  let me know if i am incorrect or if that changes anythign.

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