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This article describes a situation in which an MP4 file cannot be played correctly on a device that is not running a Windows-based system. We have released updates and hotfixes that have prerequisites to resolve this issue in Windows 7 or Windows Server 2008 R2.

Symptoms

This issue occurs if the MP4 file is longer than 429 seconds. Additionally, you may encounter a situation in which the MP4 file stops unexpectedly after it has played for some time (such as 25 seconds).

Cause

This issue occurs because of an overflow in the movie box atoms generator.

Resolution

How to obtain this update or hotfix

Method 1: Windows Update

This update is available from Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center.

Operating system

Update

All supported x86-based versions of Windows 7

Download Download the package now.

All supported x64-based versions of Windows 7

Download Download the package now.

All supported x64-based versions of Windows Server 2008 R2

Download Download the package now.


For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Method 3: Hotfix package

A supported hotfix is available from Microsoft. 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 this specific problem.

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, submit a request to 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, visit 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.

Update or hotfix information

Prerequisites

To install this update or hotfix, you must first install Service Pack 1 for Windows 7 or Windows Server 2008 R2.

Registry information

To apply this update or hotfix, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update or hotfix.

Update replacement information

This update or hotfix does not replace a previously released update.


The global version of this update or 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 7 and Windows Server 2008 R2 file information and notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • 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 7 and for Windows Server 2008 R2" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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 7

File name

File version

File size

Date

Time

Platform

Mf.dll

12.0.7601.18640

3,209,728

18-Oct-2014

01:33

x86

Mferror.dll

12.0.7601.18526

2,048

07-Jul-2014

01:37

x86

Mfpmp.exe

12.0.7601.18526

23,040

07-Jul-2014

01:39

x86

Mfps.dll

12.0.7601.18526

103,424

07-Jul-2014

01:40

x86

Rrinstaller.exe

11.0.7601.18526

50,176

07-Jul-2014

01:39

x86

Mf.dll

12.0.7601.22846

3,209,728

18-Oct-2014

01:32

x86

Mferror.dll

12.0.7601.22736

2,048

07-Jul-2014

01:37

x86

Mfpmp.exe

12.0.7601.22736

23,040

07-Jul-2014

01:40

x86

Mfps.dll

12.0.7601.22736

103,424

07-Jul-2014

01:40

x86

Rrinstaller.exe

11.0.7601.22736

50,176

07-Jul-2014

01:40

x86

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Mf.dll

12.0.7601.18640

4,121,600

18-Oct-2014

02:05

x64

Mferror.dll

12.0.7601.18526

2,048

07-Jul-2014

02:02

x64

Mfpmp.exe

12.0.7601.18526

24,576

07-Jul-2014

02:06

x64

Mfps.dll

12.0.7601.18526

206,848

07-Jul-2014

02:06

x64

Rrinstaller.exe

11.0.7601.18526

55,808

07-Jul-2014

02:06

x64

Mf.dll

12.0.7601.22846

4,121,600

18-Oct-2014

02:03

x64

Mferror.dll

12.0.7601.22736

2,048

07-Jul-2014

02:02

x64

Mfpmp.exe

12.0.7601.22736

24,576

07-Jul-2014

02:05

x64

Mfps.dll

12.0.7601.22736

206,848

07-Jul-2014

02:06

x64

Rrinstaller.exe

11.0.7601.22736

55,808

07-Jul-2014

02:05

x64

Mf.dll

12.0.7601.18640

3,209,728

18-Oct-2014

01:33

x86

Mferror.dll

12.0.7601.18526

2,048

07-Jul-2014

01:37

x86

Mfpmp.exe

12.0.7601.18526

23,040

07-Jul-2014

01:39

x86

Mfps.dll

12.0.7601.18526

103,424

07-Jul-2014

01:40

x86

Rrinstaller.exe

11.0.7601.18526

50,176

07-Jul-2014

01:39

x86

Mf.dll

12.0.7601.22846

3,209,728

18-Oct-2014

01:32

x86

Mferror.dll

12.0.7601.22736

2,048

07-Jul-2014

01:37

x86

Mfpmp.exe

12.0.7601.22736

23,040

07-Jul-2014

01:40

x86

Mfps.dll

12.0.7601.22736

103,424

07-Jul-2014

01:40

x86

Rrinstaller.exe

11.0.7601.22736

50,176

07-Jul-2014

01:40

x86

Additional file information for Windows 7 and for Windows Server 2008 R2


Additional files for all supported x86-based versions of Windows 7

File property

Value

File name

Update.mum

File version

Not applicable

File size

1,623

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

X86_6c73ce3c93fcf6d67b64c69cd8aa6a07_31bf3856ad364e35_6.1.7601.18640_none_c186f6c2955876eb.manifest

File version

Not applicable

File size

703

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

X86_923bf29238bee50d5cf2caac2b3f4aff_31bf3856ad364e35_6.1.7601.22846_none_4f71df2b06eedeb1.manifest

File version

Not applicable

File size

703

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

X86_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.18640_none_9e4213596b1fc8cd.manifest

File version

Not applicable

File size

265,911

Date (UTC)

18-Oct-2014

Time (UTC)

07:09

Platform

Not applicable

File name

X86_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.22846_none_9ed1b3c68437fdc8.manifest

File version

Not applicable

File size

265,911

Date (UTC)

18-Oct-2014

Time (UTC)

07:09

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File property

Value

File name

Amd64_0e18f0866438a6e4b74b845fa4568470_31bf3856ad364e35_6.1.7601.22846_none_4db9ef9da6021a1e.manifest

File version

Not applicable

File size

1,056

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

Amd64_39eb8a414c1c62e1498a17a84a023a82_31bf3856ad364e35_6.1.7601.18640_none_732593940dec34d5.manifest

File version

Not applicable

File size

1,056

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

Amd64_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.18640_none_fa60aedd237d3a03.manifest

File version

Not applicable

File size

265,915

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

Amd64_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.22846_none_faf04f4a3c956efe.manifest

File version

Not applicable

File size

265,915

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,633

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

Wow64_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.18640_none_04b5592f57ddfbfe.manifest

File version

Not applicable

File size

162,389

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

Platform

Not applicable

File name

Wow64_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.22846_none_0544f99c70f630f9.manifest

File version

Not applicable

File size

162,389

Date (UTC)

18-Oct-2014

Time (UTC)

07:04

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

See the terminology that Microsoft uses to describe software updates.

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