Symptoms

Assume that you disable the Bluetooth Support service on a computer that is running Windows 7 or Windows Server 2008 R2. When you try to open the Devices and Printers window, the page stops responding (hangs).

Resolution

Hotfix information

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 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, visit the following Microsoft Web site:

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 hotfix, you must be running one of the following operating systems:

  • Windows 7

  • Windows 7 Service Pack 1 (SP1)

  • Windows Server 2008 R2

  • Windows Server 2008 R2 Service Pack 1 (SP1)

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 and Windows Server 2008 R2 file information 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 files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    SR_Level

    Service branch

    6.1.760 0.
    20xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

    6.1.760 1.
    21xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    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 Server 2008 R2 and 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

Fdbth.dll

6.1.7600.21106

98,816

13-Dec-2011

06:32

x86

Fdbthproxy.dll

6.1.7600.16385

9,728

14-Jul-2009

01:15

x86

Fdbth.dll

6.1.7601.21876

98,816

13-Dec-2011

06:22

x86

Fdbthproxy.dll

6.1.7600.16385

9,728

14-Jul-2009

01:15

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

Fdbth.dll

6.1.7600.21106

126,976

13-Dec-2011

07:20

x64

Fdbthproxy.dll

6.1.7600.16385

11,776

14-Jul-2009

01:40

x64

Fdbth.dll

6.1.7601.21876

126,976

13-Dec-2011

07:22

x64

Fdbthproxy.dll

6.1.7600.16385

11,776

14-Jul-2009

01:40

x64

Fdbth.dll

6.1.7600.21106

98,816

13-Dec-2011

06:32

x86

Fdbthproxy.dll

6.1.7600.16385

9,728

14-Jul-2009

01:15

x86

Fdbth.dll

6.1.7601.21876

98,816

13-Dec-2011

06:22

x86

Fdbthproxy.dll

6.1.7600.16385

9,728

14-Jul-2009

01:15

x86

Status

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

More Information

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 and for Windows Server 2008 R2

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

File name

Package_1_for_kb2486635~31bf3856ad364e35~x86~~6.1.2.0.mum

File version

Not Applicable

File size

1,804

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_2_for_kb2486635~31bf3856ad364e35~x86~~6.1.2.0.mum

File version

Not Applicable

File size

1,790

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_3_for_kb2486635~31bf3856ad364e35~x86~~6.1.2.0.mum

File version

Not Applicable

File size

2,007

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_4_for_kb2486635~31bf3856ad364e35~x86~~6.1.2.0.mum

File version

Not Applicable

File size

1,979

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_for_kb2486635_rtm~31bf3856ad364e35~x86~~6.1.2.0.mum

File version

Not Applicable

File size

1,912

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_for_kb2486635_sp1~31bf3856ad364e35~x86~~6.1.2.0.mum

File version

Not Applicable

File size

1,912

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

2,308

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

X86_23c50cb79ad444fe896e429b321a3417_31bf3856ad364e35_6.1.7601.21876_none_cdd4dd0d542bb9a5.manifest

File version

Not Applicable

File size

693

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

X86_9cf1f8ad90a018047f3744d8405634d5_31bf3856ad364e35_6.1.7600.21106_none_ab2cf6fc7e2a20b4.manifest

File version

Not Applicable

File size

693

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

X86_microsoft-windows-fdbth_31bf3856ad364e35_6.1.7600.21106_none_54098053ae403112.manifest

File version

Not Applicable

File size

14,413

Date (UTC)

15-Dec-2011

Time (UTC)

19:46

Platform

Not Applicable

File name

X86_microsoft-windows-fdbth_31bf3856ad364e35_6.1.7601.21876_none_55a455c3ab9f2d53.manifest

File version

Not Applicable

File size

14,413

Date (UTC)

15-Dec-2011

Time (UTC)

19:46

Platform

Not Applicable

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

File name

Amd64_7113e853de4d87642901ef4df48164ee_31bf3856ad364e35_6.1.7601.21876_none_c43c9e99b4d30579.manifest

File version

Not Applicable

File size

1,036

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Amd64_ff7718dd2dbd5797e49f80e121220d53_31bf3856ad364e35_6.1.7600.21106_none_17c8b63ef055aef5.manifest

File version

Not Applicable

File size

1,036

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Amd64_microsoft-windows-fdbth_31bf3856ad364e35_6.1.7600.21106_none_b0281bd7669da248.manifest

File version

Not Applicable

File size

14,417

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Amd64_microsoft-windows-fdbth_31bf3856ad364e35_6.1.7601.21876_none_b1c2f14763fc9e89.manifest

File version

Not Applicable

File size

14,417

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_1_for_kb2486635~31bf3856ad364e35~amd64~~6.1.2.0.mum

File version

Not Applicable

File size

2,027

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_2_for_kb2486635~31bf3856ad364e35~amd64~~6.1.2.0.mum

File version

Not Applicable

File size

2,013

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_3_for_kb2486635~31bf3856ad364e35~amd64~~6.1.2.0.mum

File version

Not Applicable

File size

2,232

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_4_for_kb2486635~31bf3856ad364e35~amd64~~6.1.2.0.mum

File version

Not Applicable

File size

2,204

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_for_kb2486635_rtm~31bf3856ad364e35~amd64~~6.1.2.0.mum

File version

Not Applicable

File size

1,924

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Package_for_kb2486635_sp1~31bf3856ad364e35~amd64~~6.1.2.0.mum

File version

Not Applicable

File size

1,924

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

2,324

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Wow64_microsoft-windows-fdbth_31bf3856ad364e35_6.1.7600.21106_none_ba7cc6299afe6443.manifest

File version

Not Applicable

File size

14,417

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

File name

Wow64_microsoft-windows-fdbth_31bf3856ad364e35_6.1.7601.21876_none_bc179b99985d6084.manifest

File version

Not Applicable

File size

14,417

Date (UTC)

15-Dec-2011

Time (UTC)

13:25

Platform

Not Applicable

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