Repeated Daily Crashes of Desktop Window Manager in Reliability Monitor When Using Pen

Anonymous
2020-11-13T05:11:27+00:00

Is anyone also having problems? I am all updated to 2009, all drivers updated. SFC reports no issues. Occasionally, when there's a crash my screen goes black for a few seconds.

Source

Desktop Window Manager

Summary

Stopped working

Date

‎11/‎12/‎2020 1:07 PM

Status

Report sent

Description

Faulting Application Path: C:\Windows\System32\dwm.exe

Problem signature

Problem Event Name: BEX64

Application Name: dwm.exe

Application Version: 10.0.19041.508

Application Timestamp: cd97c98b

Fault Module Name: HeatCore.dll

Fault Module Version: 0.0.0.0

Fault Module Timestamp: c6130bfa

Exception Offset: 0000000000035afd

Exception Code: c0000409

Exception Data: 0000000000000002

OS Version: 10.0.19042.2.0.0.768.101

Locale ID: 1033

Additional Information 1: b111

Additional Information 2: b111fda7573a1e10441015376b653053

Additional Information 3: 02f1

Additional Information 4: 02f1489b0e3ef25dd4a9c89674c90c7c

Extra information about the problem

Bucket ID: 0329fc9be08ddbf2c3f9318478ced3bf (1439236000953848767)

Surface | Surface Pro | Install and update

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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  1. Anonymous
    2021-03-29T03:00:37+00:00

    This might work folks. I am trying the Regedit fix for the next week.

    ///

    Hey can you try this workaround after updating firmware from here: https://www.microsoft.com/en-us/download/details.aspx?id=100419

    Try this workaround:

    • Boot into safe mode
    • as administrator, take ownership of this file (google for the process on how to take ownership of system files in Windows 10) c:\windows\system32\heatcore.dll
    • rename heatcore.dll to heatcore.dll.bak
    • reboot

    I think if you do this, the pen will still work but without the tilt feature.

    Also, can you report the content of this regkey? Heatcore.dll refers to it:

     HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Heat

    If a device is listed here, changing the devicename to some random letters may workaround the issue.

    I think either approach will prevent the "HEAT" API from working which I believe is some internal Microsoft real-time pen input processing deal to detect which way you're gripping the pen, compute pen vs tablet angle, compute parallax compensation, and stuff like that.

    SOURCE

    https://dancharblog.wordpress.com/2021/03/29/surface-pro-7-7-black-screen-dwm-exe-crashes-when-using-pen-i-have-a-workaround/

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  2. Anonymous
    2021-03-28T17:15:56+00:00

    Also got a crash while connected to power, so definitely not a fix unfortunately.

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  3. Anonymous
    2021-03-27T21:11:14+00:00

    I have tried it today, it took hours to set everything up again, but it didn't help at all. Just to check, are there any weird things you have done with your Surfaces? Here's a list of suggestions, please say if you have done anything of the following:

    • Changed Chrome Flags (if yes, which ones)
    • Installed rather unusual Software (e.g. EdgeDeflector, Bitwarden)
    • Added Work or School Account
    • Changed any weird settings

    That way, we can see if there is something we all have in common that could be the reason for this issue.

    I don't think its a consumer caused issue, but one from a mess up somewhere in the drivers and 20H2.

    I use Edge (Chromium) no flags changed

    No weird software 

    Microsoft account and school account (tho the latter came far after the appearance if this bug)

    No settings changed

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  5. Anonymous
    2021-03-27T21:08:29+00:00

    Oh my, thank you for this....Last night, I had crashes one after the other...filling up my reliability monitor. !

    Kind regards!

    Yes super happy we finally have confirmation. Better late than never

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