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Article ID: 2732487 - Last Review: October 9, 2012 - Revision: 4.0

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Symptoms

Consider the following scenario:
  • You connect a Bluetooth device to a computer that is running Windows 7.
  • You put the computer to sleep or into hibernation.
  • You try to resume the computer from sleep or from hibernation.
In this scenario, the computer stops responding and you receive a Stop error that resembles the following:
Stop: 0x0000000A ( parameter1 , parameter2 , parameter3 , parameter4 )
IRQL_NOT_LESS_OR_EQUAL
This error message indicates that the issue is related to the Bthport.sys file.

This issue occurs if the following conditions are true:
  • Neither the Bluetooth device nor the Bluetooth controller returns to the active state when you resume the computer.
  • The Bthport.sys file is processing more than one connection request.

    Note If there are multiple devices or if one device has more than one connection request queued, the issue does not occur.

Resolution

Update information

How to obtain this update

Microsoft Update
This update is available from the following Microsoft Update website:
http://update.microsoft.com (http://update.microsoft.com)
Microsoft Download Center
The following files are available for download from the Microsoft Download Center:
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Operating systemUpdate
Update for Windows 7 for x64-based Systems (KB2732487)
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Download
Download the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=0dfa2035-13b5-467f-bf2b-1e01c053aea0)
Update for Windows 7 (KB2732487)
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Download
Download the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=b322e92a-e8c0-4200-95f0-ed4d693545af)
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  (http://support.microsoft.com/kb/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. 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 website:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note 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 Windows 7 or Windows 7 Service Pack 1 (SP1). For more information about how to obtain a Windows 7 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932  (http://support.microsoft.com/kb/976932/ ) Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

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

Restart requirement

You must restart the computer if the Bluetooth driver is loaded when you apply the update.

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 file information note
  • 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:
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    VersionProductSR_LevelService branch
    6.1.7600.16xxxWindows 7 RTMGDR
    6.1.760 0.21xxxWindows 7 RTMLDR
    6.1.760 1.17xxxWindows 7 SP1GDR
    6.1.760 1.22xxxWindows 7 SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical 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 Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. 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
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File nameFile versionFile sizeDateTime
Bthenum.sys6.1.7600.1638534,81613-Jul-200923:51
Bthport.sys6.1.7600.17058393,21606-Jul-201219:31
Bthusb.sys6.1.7600.1680560,41628-Apr-201103:29
Fsquirt.exe6.1.7600.16385219,64814-Jul-200901:14
Bthenum.sys6.1.7600.1638534,81613-Jul-200923:51
Bthport.sys6.1.7600.21259393,21606-Jul-201221:42
Bthusb.sys6.1.7600.2125960,41606-Jul-201221:42
Fsquirt.exe6.1.7600.16385219,64814-Jul-200901:14
Bthenum.sys6.1.7600.1638534,81613-Jul-200923:51
Bthport.sys6.1.7601.17889393,72806-Jul-201219:23
Bthusb.sys6.1.7601.1760760,41628-Apr-201103:15
Fsquirt.exe6.1.7601.17514219,64820-Nov-201012:17
Bthenum.sys6.1.7600.1638534,81613-Jul-200923:51
Bthport.sys6.1.7601.22046393,72806-Jul-201219:18
Bthusb.sys6.1.7601.2204660,41606-Jul-201219:18
Fsquirt.exe6.1.7601.17514219,64820-Nov-201012:17
For all supported x64-based versions of Windows 7
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File nameFile versionFile sizeDateTime
Bthenum.sys6.1.7600.1638541,98414-Jul-200900:06
Bthport.sys6.1.7600.17058552,44806-Jul-201219:58
Bthusb.sys6.1.7600.1680580,38428-Apr-201103:58
Fsquirt.exe6.1.7600.16385229,37614-Jul-200901:39
Bthenum.sys6.1.7600.1638541,98414-Jul-200900:06
Bthport.sys6.1.7600.21259552,44806-Jul-201220:06
Bthusb.sys6.1.7600.2125980,38406-Jul-201220:06
Fsquirt.exe6.1.7600.16385229,37614-Jul-200901:39
Bthenum.sys6.1.7600.1638541,98414-Jul-200900:06
Bthport.sys6.1.7601.17889552,96006-Jul-201220:07
Bthusb.sys6.1.7601.1760780,38428-Apr-201103:54
Fsquirt.exe6.1.7601.17514229,37620-Nov-201013:24
Bthenum.sys6.1.7601.2204641,98406-Jul-201219:58
Bthport.sys6.1.7601.22046552,96006-Jul-201219:58
Bthusb.sys6.1.7601.2204680,38406-Jul-201219:58
Fsquirt.exe6.1.7601.22046229,37606-Jul-201221:40

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  (http://support.microsoft.com/kb/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
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File nameX86_bth.inf_31bf3856ad364e35_6.1.7600.17058_none_723e6e871cc9e764.manifest
File versionNot applicable
File size3,492
Date (UTC)07-Jul-2012
Time (UTC)18:26
File nameX86_bth.inf_31bf3856ad364e35_6.1.7600.21259_none_72c90d8235e69dac.manifest
File versionNot applicable
File size3,492
Date (UTC)07-Jul-2012
Time (UTC)18:26
File nameX86_bth.inf_31bf3856ad364e35_6.1.7601.17889_none_740585d71a078a5f.manifest
File versionNot applicable
File size3,492
Date (UTC)07-Jul-2012
Time (UTC)18:26
File nameX86_bth.inf_31bf3856ad364e35_6.1.7601.22046_none_74b739963307a1a2.manifest
File versionNot applicable
File size3,492
Date (UTC)07-Jul-2012
Time (UTC)18:26
Additional files for all supported x64-based versions of Windows 7
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File nameAmd64_bth.inf_31bf3856ad364e35_6.1.7600.17058_none_ce5d0a0ad527589a.manifest
File versionNot applicable
File size3,496
Date (UTC)07-Jul-2012
Time (UTC)18:20
File nameAmd64_bth.inf_31bf3856ad364e35_6.1.7600.21259_none_cee7a905ee440ee2.manifest
File versionNot applicable
File size3,496
Date (UTC)07-Jul-2012
Time (UTC)18:20
File nameAmd64_bth.inf_31bf3856ad364e35_6.1.7601.17889_none_d024215ad264fb95.manifest
File versionNot applicable
File size3,496
Date (UTC)07-Jul-2012
Time (UTC)18:20
File nameAmd64_bth.inf_31bf3856ad364e35_6.1.7601.22046_none_d0d5d519eb6512d8.manifest
File versionNot applicable
File size3,978
Date (UTC)06-Jul-2012
Time (UTC)22:09

Applies to
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
Keywords: 
kbqfe kbfix kbsurveynew kbexpertiseadvanced atdownload kbhotfixserver KB2732487
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