Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2 may stop responding at the Welcome screen after you enter the user credentials to log on to the computer

Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm.

Symptoms

After you enter the user credentials to log on to your computer, the operating system may stop responding at the Welcome screen. This issue may occur on a computer that is running one of the following operating systems:

  • Windows Vista

  • Windows Server 2008

  • Windows 7

  • Windows Server 2008 R2

Cause

This issue occurs because of a deadlock in the Gpprefcl.dll file, the client implementation for group policy preferences (GPP). There is a conflict of the sequence when initializting the shell that GPP is doiing to get the shell folders.

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

  • Windows Vista Service Pack 2 (SP2)

  • Windows Server 2008 Service Pack 2 (SP2)

  • Windows 7

  • Windows 7 Service Pack 1 (SP1)

  • Windows Server 2008 R2

  • Windows Server 2008 R2 Service Pack 1 (SP1)

For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:

935791 How to obtain the latest Windows Vista service pack

For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

968849 How to obtain the latest service pack for Windows Server 2008

For more information about how to obtain a Windows 7 or a Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must 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 Vista and Windows Server 2008 file information notes

Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" 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 Vista" 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

    6.0.600
    2.
    22xxx

    Windows Vista and Windows Server 2008

    SP2

    LDR

  • Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxx version number.

  • 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 and for Windows Vista" section. MUM files and MANIFEST files, and the associated security catalog (.cat) files, are very important for maintaining 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 Vista

File name

File version

File size

Date

Time

Platform

Gpprefcl.dll

6.0.6001.18664

651,024

06-Jul-2011

18:47

x86

For all supported x64-based versions of Windows Vista

File name

File version

File size

Date

Time

Platform

Gpprefcl.dll

6.0.6001.18664

851,216

06-Jul-2011

18:48

x64

For all supported x86-based versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Gpprefcl.dll

6.0.6002.22648

646,656

20-May-2011

15:08

x86

For all supported x64-based versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Gpprefcl.dll

6.0.6002.22648

845,824

20-May-2011

15:24

x64

For all supported IA-64-based versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Gpprefcl.dll

6.0.6002.22648

1,672,192

20-May-2011

15:21

IA-64

Windows 7 and Windows Server 2008 R2 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
    0.20xxx

    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 very important for maintaining 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

Gpprefcl.dll

6.1.7600.20964

584,192

11-May-2011

04:40

x86

Gpprefcl.dll

6.1.7601.21725

584,704

11-May-2011

06:01

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

Gpprefcl.dll

6.1.7600.20964

784,896

11-May-2011

05:12

x64

Gpprefcl.dll

6.1.7601.21725

785,408

11-May-2011

05:23

x64

Gpprefcl.dll

6.1.7600.20964

584,192

11-May-2011

04:40

x86

Gpprefcl.dll

6.1.7601.21725

584,704

11-May-2011

06:01

x86

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Gpprefcl.dll

6.1.7600.20964

1,503,232

11-May-2011

04:05

IA-64

Gpprefcl.dll

6.1.7601.21725

1,503,744

11-May-2011

04:07

IA-64

Gpprefcl.dll

6.1.7600.20964

584,192

11-May-2011

04:40

x86

Gpprefcl.dll

6.1.7601.21725

584,704

11-May-2011

06:01

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 Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008

File name

Update.mum

File version

Not applicable

File size

2,241

Date (UTC)

20-May-2011

Time (UTC)

17:39

Platform

Not applicable

File name

X86_50acad20b0b94d6259614ab06bedbbd4_31bf3856ad364e35_6.0.6002.22648_none_6c3389af296f7971.manifest

File version

Not applicable

File size

711

Date (UTC)

20-May-2011

Time (UTC)

17:39

Platform

Not applicable

File name

X86_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.0.6002.22648_none_399615765f590c84.manifest

File version

Not applicable

File size

106,474

Date (UTC)

20-May-2011

Time (UTC)

15:29

Platform

Not applicable

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

File name

Amd64_afcb0794c2195fc427d4257dc0a5622c_31bf3856ad364e35_6.0.6002.22648_none_5949cecb846ff633.manifest

File version

Not applicable

File size

1,072

Date (UTC)

20-May-2011

Time (UTC)

17:39

Platform

Not applicable

File name

Amd64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.0.6002.22648_none_95b4b0fa17b67dba.manifest

File version

Not applicable

File size

106,510

Date (UTC)

20-May-2011

Time (UTC)

15:41

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,257

Date (UTC)

20-May-2011

Time (UTC)

17:39

Platform

Not applicable

File name

Wow64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.0.6002.22648_none_a0095b4c4c173fb5.manifest

File version

Not applicable

File size

66,987

Date (UTC)

20-May-2011

Time (UTC)

15:19

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008

File name

Ia64_9d7f9dc3ffc36f0e651eb140da6b8b65_31bf3856ad364e35_6.0.6002.22648_none_9fceffb43b53eb17.manifest

File version

Not applicable

File size

1,070

Date (UTC)

20-May-2011

Time (UTC)

17:39

Platform

Not applicable

File name

Ia64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.0.6002.22648_none_3997b96c5f571580.manifest

File version

Not applicable

File size

106,492

Date (UTC)

20-May-2011

Time (UTC)

15:34

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,247

Date (UTC)

20-May-2011

Time (UTC)

17:39

Platform

Not applicable

File name

Wow64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.0.6002.22648_none_a0095b4c4c173fb5.manifest

File version

Not applicable

File size

66,987

Date (UTC)

20-May-2011

Time (UTC)

15:19

Platform

Not applicable

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

Update.mum

File version

Not applicable

File size

2,350

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

X86_be74848e659e889bc7476e63470d437d_31bf3856ad364e35_6.1.7600.20964_none_811565ee21948779.manifest

File version

Not applicable

File size

711

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

X86_ed02a6540902071337413e83bf5e1fc2_31bf3856ad364e35_6.1.7601.21725_none_d3f1bf5218a7f384.manifest

File version

Not applicable

File size

711

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

X86_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7600.20964_none_37bdd0edc35dc9a7.manifest

File version

Not applicable

File size

53,968

Date (UTC)

11-May-2011

Time (UTC)

05:13

Platform

Not applicable

File name

X86_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7601.21725_none_39d06dedc062df26.manifest

File version

Not applicable

File size

53,968

Date (UTC)

11-May-2011

Time (UTC)

06:32

Platform

Not applicable

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

File name

Amd64_10c1557c082de918ab0b36be7c258569_31bf3856ad364e35_6.1.7600.20964_none_b2d0db3d62157ef2.manifest

File version

Not applicable

File size

715

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Amd64_5ce500101e95567d0391004754cd6b9f_31bf3856ad364e35_6.1.7601.21725_none_0b049664e0edd4cd.manifest

File version

Not applicable

File size

715

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Amd64_8ec28e5e3b85d5b5569641cea812170b_31bf3856ad364e35_6.1.7601.21725_none_ca206f3f2a2e6a97.manifest

File version

Not applicable

File size

715

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Amd64_bbdd6feb031b788c67f90bc929e39c92_31bf3856ad364e35_6.1.7600.20964_none_5531e4ba10b222f5.manifest

File version

Not applicable

File size

1,070

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Amd64_be74848e659e889bc7476e63470d437d_31bf3856ad364e35_6.1.7600.20964_none_dd340171d9f1f8af.manifest

File version

Not applicable

File size

713

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Amd64_cb199c037cd25193268b93d531928c16_31bf3856ad364e35_6.1.7601.21725_none_88826a4b387ea04d.manifest

File version

Not applicable

File size

1,070

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Amd64_ed02a6540902071337413e83bf5e1fc2_31bf3856ad364e35_6.1.7601.21725_none_30105ad5d10564ba.manifest

File version

Not applicable

File size

713

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Amd64_f7b3b06fbdfeeec9106368d0df2bbc31_31bf3856ad364e35_6.1.7600.20964_none_51875715700a3346.manifest

File version

Not applicable

File size

715

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Amd64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7600.20964_none_93dc6c717bbb3add.manifest

File version

Not applicable

File size

53,972

Date (UTC)

11-May-2011

Time (UTC)

06:11

Platform

Not applicable

File name

Amd64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7601.21725_none_95ef097178c0505c.manifest

File version

Not applicable

File size

53,972

Date (UTC)

11-May-2011

Time (UTC)

07:07

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

3,633

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Wow64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7600.20964_none_9e3116c3b01bfcd8.manifest

File version

Not applicable

File size

34,836

Date (UTC)

11-May-2011

Time (UTC)

04:59

Platform

Not applicable

File name

Wow64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7601.21725_none_a043b3c3ad211257.manifest

File version

Not applicable

File size

34,836

Date (UTC)

11-May-2011

Time (UTC)

06:22

Platform

Not applicable

File name

X86_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7600.20964_none_37bdd0edc35dc9a7.manifest

File version

Not applicable

File size

53,968

Date (UTC)

11-May-2011

Time (UTC)

05:13

Platform

Not applicable

File name

X86_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7601.21725_none_39d06dedc062df26.manifest

File version

Not applicable

File size

53,968

Date (UTC)

11-May-2011

Time (UTC)

06:32

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_8c9c8ec5042c40186747f11e2cb09cad_31bf3856ad364e35_6.1.7600.20964_none_061b81a5a33d8b8d.manifest

File version

Not applicable

File size

713

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Ia64_8edc224a316417c9f0414fbe0a395aea_31bf3856ad364e35_6.1.7601.21725_none_76d75faa1c35de5b.manifest

File version

Not applicable

File size

713

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Ia64_be74848e659e889bc7476e63470d437d_31bf3856ad364e35_6.1.7600.20964_none_811709e421929075.manifest

File version

Not applicable

File size

712

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Ia64_ed02a6540902071337413e83bf5e1fc2_31bf3856ad364e35_6.1.7601.21725_none_d3f3634818a5fc80.manifest

File version

Not applicable

File size

712

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

Ia64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7600.20964_none_37bf74e3c35bd2a3.manifest

File version

Not applicable

File size

53,970

Date (UTC)

11-May-2011

Time (UTC)

06:04

Platform

Not applicable

File name

Ia64_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7601.21725_none_39d211e3c060e822.manifest

File version

Not applicable

File size

53,970

Date (UTC)

11-May-2011

Time (UTC)

07:13

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,183

Date (UTC)

11-May-2011

Time (UTC)

08:39

Platform

Not applicable

File name

X86_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7600.20964_none_37bdd0edc35dc9a7.manifest

File version

Not applicable

File size

53,968

Date (UTC)

11-May-2011

Time (UTC)

05:13

Platform

Not applicable

File name

X86_microsoft-windows-g..ppolicy-policymaker_31bf3856ad364e35_6.1.7601.21725_none_39d06dedc062df26.manifest

File version

Not applicable

File size

53,968

Date (UTC)

11-May-2011

Time (UTC)

06:32

Platform

Not applicable

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