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

Symptoms

You install a font update on a computer that's running Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 Service Pack 1 (SP1). However, the system experiences Stop error 0x50 in the Win32k.sys driver. This error occurs when you do any of the following:

  • You restart the computer.

  • You start a program, such as an Office program.

  • You use Windows Explorer to¬†browse to the font folder.


Cause

This problem occurs because the old font cache data was not cleared correctly. Therefore, the system incorrectly treats the font data as corrupted.

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. 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, go to 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 have Service Pack 1 for Windows 7 or Windows Server 2008 R2 installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

The English (United States) 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 and notesImportant 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
    1.
    18xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    GDR

    6.1.760
    1.
    22xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    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 and Windows Server 2008 R2" 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

Win32k.sys

6.1.7601.18308

2,349,056

07-Nov-2013

07:09

x86

Win32k.sys

6.1.7601.22504

2,357,248

07-Nov-2013

06:57

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

Win32k.sys

6.1.7601.18308

3,156,480

07-Nov-2013

07:20

x64

Win32k.sys

6.1.7601.22504

3,159,552

07-Nov-2013

07:49

x64

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

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7601.18308

7,433,728

07-Nov-2013

06:53

IA-64

Win32k.sys

6.1.7601.22504

7,436,800

07-Nov-2013

07:18

IA-64


Status

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

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_kb2908190_bf~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,775

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_1_for_kb2908190~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,476

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_2_for_kb2908190_bf~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,758

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_2_for_kb2908190~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,459

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_3_for_kb2908190_bf~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,760

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_3_for_kb2908190~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,461

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_rtm_bf~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,440

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_rtm~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,459

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_sp1_bf~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,883

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_sp1~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,918

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Update-bf.mum

File version

Not Applicable

File size

2,094

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

X86_557a5ee4d04d6e13eb0814218fa7feeb_31bf3856ad364e35_6.1.7601.22504_none_df80293b80c3e8f0.manifest

File version

Not Applicable

File size

694

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

X86_af51ad5639473eeae2a46d31bb47553c_31bf3856ad364e35_6.1.7601.18308_none_cbf9a8debc300c85.manifest

File version

Not Applicable

File size

694

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

X86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.18308_none_bb099a25f8bd4b89.manifest

File version

Not Applicable

File size

42,086

Date (UTC)

07-Nov-2013

Time (UTC)

08:53

Platform

Not Applicable

File name

X86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22504_none_bb8f37af11de831e.manifest

File version

Not Applicable

File size

42,086

Date (UTC)

07-Nov-2013

Time (UTC)

08:54

Platform

Not Applicable

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

File name

Amd64_05f874b239467a6c39d3a1060de32d4e_31bf3856ad364e35_6.1.7601.22504_none_e5c72f3269e030f6.manifest

File version

Not Applicable

File size

1,038

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Amd64_19ad27fef086a350124b141fcec4fd61_31bf3856ad364e35_6.1.7601.18308_none_aa19fbdaf5590caf.manifest

File version

Not Applicable

File size

1,038

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Amd64_7f9429d1238040601758e3785b1a9416_31bf3856ad364e35_6.1.7601.22504_none_81861b98de0ed46f.manifest

File version

Not Applicable

File size

698

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Amd64_8b7a2bb11b525282aac287c4b6ec6da6_31bf3856ad364e35_6.1.7601.18308_none_9f4bbac82bd28cb8.manifest

File version

Not Applicable

File size

698

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Amd64_a4551728f0e57e1381ebd709ea2b8102_31bf3856ad364e35_6.1.7601.18308_none_583c24e4f68db24e.manifest

File version

Not Applicable

File size

698

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Amd64_fdfe527fc30f40ef6f85016ef58a7f5a_31bf3856ad364e35_6.1.7601.22504_none_7baf13a55770c3bb.manifest

File version

Not Applicable

File size

698

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Amd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.18308_none_172835a9b11abcbf.manifest

File version

Not Applicable

File size

42,090

Date (UTC)

07-Nov-2013

Time (UTC)

09:27

Platform

Not Applicable

File name

Amd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22504_none_17add332ca3bf454.manifest

File version

Not Applicable

File size

42,090

Date (UTC)

07-Nov-2013

Time (UTC)

10:30

Platform

Not Applicable

File name

Package_1_for_kb2908190_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

1,785

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_1_for_kb2908190~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,490

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_2_for_kb2908190_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,182

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_2_for_kb2908190~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

4,054

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_3_for_kb2908190_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

1,964

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_3_for_kb2908190~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

3,828

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_4_for_kb2908190_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

1,978

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_4_for_kb2908190~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,908

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_rtm_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

1,448

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

1,468

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_sp1_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,771

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_sp1~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,833

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Update-bf.mum

File version

Not Applicable

File size

2,719

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.18308_none_217cdffbe57b7eba.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

07-Nov-2013

Time (UTC)

08:42

Platform

Not Applicable

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22504_none_22027d84fe9cb64f.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

07-Nov-2013

Time (UTC)

08:49

Platform

Not Applicable

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

File name

Ia64_903d78f8ce7266212ab8df8a00eab77d_31bf3856ad364e35_6.1.7601.18308_none_a7b93f41d3a39aa1.manifest

File version

Not Applicable

File size

1,036

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Ia64_c03ef80ca36057d69849f94060cab3b3_31bf3856ad364e35_6.1.7601.22504_none_6eb6883c5694bb68.manifest

File version

Not Applicable

File size

1,036

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Ia64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.18308_none_bb0b3e1bf8bb5485.manifest

File version

Not Applicable

File size

42,088

Date (UTC)

07-Nov-2013

Time (UTC)

08:49

Platform

Not Applicable

File name

Ia64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22504_none_bb90dba511dc8c1a.manifest

File version

Not Applicable

File size

42,088

Date (UTC)

07-Nov-2013

Time (UTC)

08:36

Platform

Not Applicable

File name

Package_1_for_kb2908190_bf~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,971

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_1_for_kb2908190~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

2,898

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_sp1_bf~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,427

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Package_for_kb2908190_sp1~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,446

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Update-bf.mum

File version

Not Applicable

File size

1,425

Date (UTC)

07-Nov-2013

Time (UTC)

16:32

Platform

Not Applicable

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.18308_none_217cdffbe57b7eba.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

07-Nov-2013

Time (UTC)

08:42

Platform

Not Applicable

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22504_none_22027d84fe9cb64f.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

07-Nov-2013

Time (UTC)

08:49

Platform

Not Applicable


References

Learn about the terminology that Microsoft uses to describe software updates.

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