Symptoms

When you run a Direct3D graphic tool, memory consumption by the Dwm.exe process may increase until the 2-gigabyte (GB) limit is reached. In this situation, the system may freeze. Additionally, you may experience screen corruption or slow screen updates.

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this update in Windows 8.1 or Windows Server 2012 R2, you must first have update 2919355 installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8 and Windows Server 2012 file information and notesImportant Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    Milestone

    Service branch

    6.2.920 0.16 xxx

    Windows 8 and Windows Server 2012

    RTM

    GDR

    6.2.920 0.20 xxx

    Windows 8 and Windows Server 2012

    RTM

    LDR

    6.2.920 0.21 xxx

    Windows 8 and Windows Server 2012

    RTM

    LDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8 and Windows Server 2012" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Cdd.dll

6.2.9200.16384

166,400

26-Jul-2012

03:30

x86

Dxgkrnl.sys

6.2.9200.21161

1,227,584

28-Jun-2014

07:02

x86

Dxgmms1.sys

6.2.9200.21161

259,904

28-Jun-2014

07:02

x86

Lddmcore.ptxml

Not Applicable

1,151

25-Jul-2012

20:32

Not Applicable

For all supported x64-based versions of Windows 8 and Windows Server 2012

File name

File version

File size

Date

Time

Platform

Cdd.dll

6.2.9200.20828

199,680

19-Sep-2013

07:44

x64

Dxgkrnl.sys

6.2.9200.21161

1,442,624

28-Jun-2014

09:19

x64

Dxgmms1.sys

6.2.9200.21161

304,448

28-Jun-2014

09:19

x64

Lddmcore.ptxml

Not Applicable

1,151

25-Jul-2012

20:29

Not Applicable

Windows 8.1 and Windows Server 2012 R2 file information and notesImportant Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.17 xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1 and Windows Server 2012 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Microsoft-windows-desktopwindowmanager-compositor.ptxml

Not Applicable

4,069

21-Aug-2013

23:39

Not Applicable

D3d11.dll

6.3.9600.17041

1,779,800

06-Mar-2014

11:13

x86

Lddmcore.ptxml

Not Applicable

7,208

06-Mar-2014

01:37

Not Applicable

For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Microsoft-windows-desktopwindowmanager-compositor.ptxml

Not Applicable

4,069

22-Aug-2013

06:44

Not Applicable

Lddmcore.ptxml

Not Applicable

7,208

06-Mar-2014

01:36

Not Applicable

Microsoft-windows-desktopwindowmanager-compositor.ptxml

Not Applicable

4,069

21-Aug-2013

23:39

Not Applicable

D3d11.dll

6.3.9600.17041

1,779,800

06-Mar-2014

11:13

x86

For all supported ARM-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Microsoft-windows-desktopwindowmanager-compositor.ptxml

Not Applicable

4,069

21-Aug-2013

23:33

Not Applicable

D3d11.dll

6.3.9600.17041

1,648,664

06-Mar-2014

08:16

Not Applicable

Lddmcore.ptxml

Not Applicable

7,208

06-Mar-2014

01:34

Not Applicable

Additional file information for Windows 8 and for Windows Server 2012

Additional files for all supported x86-based versions of Windows 8

File name

X86_bb9b280b907a194efead470a58c629a1_31bf3856ad364e35_6.2.9200.21161_none_a800310f2a71ea35.manifest

File version

Not Applicable

File size

696

Date (UTC)

30-Jun-2014

Time (UTC)

21:45

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

X86_microsoft-windows-lddmcore_31bf3856ad364e35_6.2.9200.21161_none_a90fc3cace03c84c.manifest

File version

Not Applicable

File size

283,125

Date (UTC)

30-Jun-2014

Time (UTC)

21:45

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

Additional files for all supported x64-based versions of Windows 8 and Windows Server 2012

File name

Amd64_92ba4731d76b635389dfe9ff8b8b39a5_31bf3856ad364e35_6.2.9200.21161_none_dd4c044a7214838d.manifest

File version

Not Applicable

File size

700

Date (UTC)

30-Jun-2014

Time (UTC)

21:45

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Amd64_microsoft-windows-lddmcore_31bf3856ad364e35_6.2.9200.21161_none_052e5f4e86613982.manifest

File version

Not Applicable

File size

283,129

Date (UTC)

30-Jun-2014

Time (UTC)

21:45

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File name

Package_1_for_kb2979265~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,812

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Package_2_for_kb2979265~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

2,019

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Package_3_for_kb2979265~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

2,505

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Package_for_kb2979265_rtm_gm~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,957

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Package_for_kb2979265_rtm~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,866

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

X86_2c2d5732c4367d0b68c1191aeee9e9f0_31bf3856ad364e35_6.3.9600.17224_none_580e1ca9e440e080.manifest

File version

Not Applicable

File size

1,050

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

X86_5995e1141565c5273d3da0061a7daa54_31bf3856ad364e35_6.3.9600.17224_none_c0f3152f4b05354d.manifest

File version

Not Applicable

File size

696

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

X86_749876214b3ec8b446dc2d84d883eb02_31bf3856ad364e35_6.3.9600.17224_none_92037b527d4a44c3.manifest

File version

Not Applicable

File size

1,753

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

X86_microsoft-windows-d..wmanager-compositor_31bf3856ad364e35_6.3.9600.17224_none_9a62de585ac6f88f.manifest

File version

Not Applicable

File size

155,729

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

X86_microsoft-windows-directx-direct3d11_31bf3856ad364e35_6.3.9600.17224_none_8498da37e9152174.manifest

File version

Not Applicable

File size

714,950

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

X86_microsoft-windows-directx-dxgi_31bf3856ad364e35_6.3.9600.17224_none_cf5f03b439f5c3da.manifest

File version

Not Applicable

File size

112,634

Date (UTC)

30-Jun-2014

Time (UTC)

23:55

Platform

Not Applicable

File name

X86_microsoft-windows-lddmcore_31bf3856ad364e35_6.3.9600.17224_none_40a923fffef5cf8e.manifest

File version

Not Applicable

File size

385,244

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name

Amd64_090a60d21d69d2063eb502617ed22e89_31bf3856ad364e35_6.3.9600.17224_none_ef62dc20b719c837.manifest

File version

Not Applicable

File size

1,086

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Amd64_2c2d5732c4367d0b68c1191aeee9e9f0_31bf3856ad364e35_6.3.9600.17224_none_b42cb82d9c9e51b6.manifest

File version

Not Applicable

File size

1,052

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Amd64_72194fed2d90550f572cad06812b3481_31bf3856ad364e35_6.3.9600.17224_none_4561490ddbea93d5.manifest

File version

Not Applicable

File size

700

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Amd64_f04b2368b122c206d349177596aeb6c6_31bf3856ad364e35_6.3.9600.17224_none_ea01321013c3b31a.manifest

File version

Not Applicable

File size

1,056

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Amd64_microsoft-windows-d..wmanager-compositor_31bf3856ad364e35_6.3.9600.17224_none_f68179dc132469c5.manifest

File version

Not Applicable

File size

155,730

Date (UTC)

01-Jul-2014

Time (UTC)

02:10

Platform

Not Applicable

File name

Amd64_microsoft-windows-directx-direct3d11_31bf3856ad364e35_6.3.9600.17224_none_e0b775bba17292aa.manifest

File version

Not Applicable

File size

714,952

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Amd64_microsoft-windows-directx-dxgi_31bf3856ad364e35_6.3.9600.17224_none_2b7d9f37f2533510.manifest

File version

Not Applicable

File size

112,636

Date (UTC)

01-Jul-2014

Time (UTC)

02:10

Platform

Not Applicable

File name

Amd64_microsoft-windows-lddmcore_31bf3856ad364e35_6.3.9600.17224_none_9cc7bf83b75340c4.manifest

File version

Not Applicable

File size

385,248

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Package_1_for_kb2979265~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

1,822

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Package_2_for_kb2979265~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,031

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Package_3_for_kb2979265~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,521

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Package_4_for_kb2979265~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,710

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Package_5_for_kb2979265~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,283

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Package_6_for_kb2979265~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,320

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Package_for_kb2979265_rtm_gm~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,806

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

Package_for_kb2979265_rtm~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

3,429

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

X86_microsoft-windows-d..wmanager-compositor_31bf3856ad364e35_6.3.9600.17224_none_9a62de585ac6f88f.manifest

File version

Not Applicable

File size

155,729

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

X86_microsoft-windows-directx-direct3d11_31bf3856ad364e35_6.3.9600.17224_none_8498da37e9152174.manifest

File version

Not Applicable

File size

714,950

Date (UTC)

01-Jul-2014

Time (UTC)

10:25

Platform

Not Applicable

File name

X86_microsoft-windows-directx-dxgi_31bf3856ad364e35_6.3.9600.17224_none_cf5f03b439f5c3da.manifest

File version

Not Applicable

File size

112,634

Date (UTC)

30-Jun-2014

Time (UTC)

23:55

Platform

Not Applicable

Additional files for all supported ARM-based versions of Windows 8.1

File name

Arm_af0dff8c3e4db94760b2ab567655068f_31bf3856ad364e35_6.3.9600.17224_none_d35387638f20ecfa.manifest

File version

Not Applicable

File size

1,753

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Arm_c0c175c91bd0c36d7bd17df49bba79b5_31bf3856ad364e35_6.3.9600.17224_none_0833af23a69bc5ed.manifest

File version

Not Applicable

File size

696

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Arm_microsoft-windows-d..wmanager-compositor_31bf3856ad364e35_6.3.9600.17224_none_9a6550b05ac41755.manifest

File version

Not Applicable

File size

155,726

Date (UTC)

30-Jun-2014

Time (UTC)

23:34

Platform

Not Applicable

File name

Arm_microsoft-windows-directx-direct3d11_31bf3856ad364e35_6.3.9600.17224_none_849b4c8fe912403a.manifest

File version

Not Applicable

File size

714,950

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Arm_microsoft-windows-directx-dxgi_31bf3856ad364e35_6.3.9600.17224_none_cf61760c39f2e2a0.manifest

File version

Not Applicable

File size

112,634

Date (UTC)

30-Jun-2014

Time (UTC)

23:34

Platform

Not Applicable

File name

Arm_microsoft-windows-lddmcore_31bf3856ad364e35_6.3.9600.17224_none_40ab9657fef2ee54.manifest

File version

Not Applicable

File size

385,244

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Package_1_for_kb2979265~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,812

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Package_2_for_kb2979265~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

2,505

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Package_for_kb2979265_rtm_gm~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,681

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable

File name

Package_for_kb2979265_rtm~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,679

Date (UTC)

01-Jul-2014

Time (UTC)

10:24

Platform

Not Applicable


Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

Learn about the terminology that Microsoft uses to describe software updates.

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