An update to the TV tuner functionality in Windows Media Center is available for Windows 7

INTRODUCTION

An update is available for Windows Media Center in Windows 7. This update fixes a deadlock issue that occurs when you use a TV tuner in Windows Media Center. When this issue occurs, you may experience one of the following symptoms:

  • You receive an error message that resembles the following when there is no apparent tuner conflict:

    Tuner Conflict

  • You receive an error message that resembles the following when there are available tuners:

    No tuner available to satisfy the current request

  • The Windows Media Center Receiver Service (Ehrecvr.exe) stops responding and you have to restart the computer to recover this service.

Notes

  • This issue may occur if you change channels fast and frequently (also known as "channel surfing"), in Windows Media Center.

  • These symptoms may be caused by other issues that are not related to this update. For example, you may receive similar symptoms when you try to query current state of a TV tuner or of a malfunctioning hardware device.

More Information

Update information

How to obtain this update

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 update package now.

All supported x64-based versions of Windows 7

Download Download the update 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.

Prerequisites

To apply this update, you must be running Windows 7.

Registry information

To use the update in this package, 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.

Update replacement information

This update does not replace a previously released update.

File information

The global 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 7 file information notes


  • 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

    6.1.760
    0.16xxx

    Windows 7

    RTM

    GDR

    6.1.760
    0.20xxx

    Windows 7

    RTM

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • 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" 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 7

File name

File version

File size

Date

Time

Platform

Mpg2splt.ax

6.6.7600.16539

199,680

27-Feb-2010

11:58

Not applicable

Mpg2splt.ax

6.6.7600.20655

199,680

27-Feb-2010

11:36

Not applicable

For all supported x64-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Mpg2splt.ax

6.6.7600.16539

258,560

27-Feb-2010

15:01

Not applicable

Mpg2splt.ax

6.6.7600.20655

258,560

27-Feb-2010

15:09

Not applicable

Mpg2splt.ax

6.6.7600.16539

199,680

27-Feb-2010

11:58

Not applicable

Mpg2splt.ax

6.6.7600.20655

199,680

27-Feb-2010

11:36

Not applicable

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7

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

File name

Update.mum

File version

Not applicable

File size

1,442

Date (UTC)

27-Feb-2010

Time (UTC)

17:01

File name

X86_806351178d5bbfc49ccf33bd022166d5_31bf3856ad364e35_6.1.7600.16539_none_a995f0228a552907.manifest

File version

Not applicable

File size

704

Date (UTC)

27-Feb-2010

Time (UTC)

17:01

File name

X86_8bbc8c438f85746327fd4b8e587d3fa0_31bf3856ad364e35_6.1.7600.20655_none_a4c19418e23d81a1.manifest

File version

Not applicable

File size

704

Date (UTC)

27-Feb-2010

Time (UTC)

17:01

File name

X86_microsoft-windows-directshow-mpeg2_31bf3856ad364e35_6.1.7600.16539_none_b61f9551036c936a.manifest

File version

Not applicable

File size

8,554

Date (UTC)

27-Feb-2010

Time (UTC)

12:32

File name

X86_microsoft-windows-directshow-mpeg2_31bf3856ad364e35_6.1.7600.20655_none_b68f911c1c9e05ba.manifest

File version

Not applicable

File size

8,554

Date (UTC)

27-Feb-2010

Time (UTC)

12:11

Additional files for all supported x64-based versions of Windows 7

File name

Amd64_00a6f3dc2ab20d2d14836bd0c0a4a0c1_31bf3856ad364e35_6.1.7600.20655_none_af07ee6498aefd6c.manifest

File version

Not applicable

File size

1,056

Date (UTC)

27-Feb-2010

Time (UTC)

17:01

File name

Amd64_9bb8da75c0fac91e159cb3f1e2c3e8d6_31bf3856ad364e35_6.1.7600.16539_none_53277c1ca4ba903b.manifest

File version

Not applicable

File size

1,056

Date (UTC)

27-Feb-2010

Time (UTC)

17:01

File name

Amd64_microsoft-windows-directshow-mpeg2_31bf3856ad364e35_6.1.7600.16539_none_123e30d4bbca04a0.manifest

File version

Not applicable

File size

8,558

Date (UTC)

27-Feb-2010

Time (UTC)

15:47

File name

Amd64_microsoft-windows-directshow-mpeg2_31bf3856ad364e35_6.1.7600.20655_none_12ae2c9fd4fb76f0.manifest

File version

Not applicable

File size

8,558

Date (UTC)

27-Feb-2010

Time (UTC)

15:54

File name

Update.mum

File version

Not applicable

File size

1,858

Date (UTC)

27-Feb-2010

Time (UTC)

17:01

File name

X86_microsoft-windows-directshow-mpeg2_31bf3856ad364e35_6.1.7600.16539_none_b61f9551036c936a.manifest

File version

Not applicable

File size

8,554

Date (UTC)

27-Feb-2010

Time (UTC)

12:32

File name

X86_microsoft-windows-directshow-mpeg2_31bf3856ad364e35_6.1.7600.20655_none_b68f911c1c9e05ba.manifest

File version

Not applicable

File size

8,554

Date (UTC)

27-Feb-2010

Time (UTC)

12:11

References

For more information about Windows Media Center, visit the following Microsoft Web site:

Introduction to Windows Media Center

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