This article describes a memory leak issue in the Explorer.exe process in Windows 8 or Windows Server 2012. A hotfix is available to fix this issue.

Symptoms

This issue occurs only when the Japanese input method editor (IME) is enabled.

Hotfix information

Important If you install a language pack after you install this hotfix, you must reinstall this hotfix. Therefore, we recommend that you install any language packs that you need before you install this hotfix. For more information, see Add language packs to Windows.

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that's described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there's a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section doesn't appear, submit a request to Microsoft Customer Service and Support to get 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 don't 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 don't see your language, it's because a hotfix isn't available for that language.

Prerequisites

There's no prerequisite to apply this hotfix.

Registry information

To use the hotfix in this package, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix doesn't replace a previously released hotfix.

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 8 and Windows Server 2012 file information and notes

Important Windows 8 hotfixes and Windows Server 2012 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 8/Windows Server 2012" 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, 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

    6.2.920 0.21xxx

    Windows 8 and Windows Server 2012

    RTM

    LDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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 8

File name

File version

File size

Date

Time

Platform

Msctf.dll

6.2.9200.21578

888,320

31-Jul-2015

07:52

x86

For all supported x64-based versions of Windows 8 and Windows Server 2012

File name

File version

File size

Date

Time

Platform

Msctf.dll

6.2.9200.21578

1,115,136

31-Jul-2015

07:45

x64

Msctf.dll

6.2.9200.21578

888,320

31-Jul-2015

07:52

x86

Additional file information

Additional file information for Windows 8 and Windows Server 2012

Additional files for all supported x86-based versions of Windows 8

File property

Value

File name

X86_d4f535de29aa19456fc522bb01b9f1ba_31bf3856ad364e35_6.2.9200.21578_none_eeb796c604cce79f.manifest

File version

Not applicable

File size

715

Date (UTC)

31-Jul-2015

Time (UTC)

18:02

Platform

Not applicable

File name

X86_microsoft-windows-t..icesframework-msctf_31bf3856ad364e35_6.2.9200.21578_none_730714f7d93dde57.manifest

File version

Not applicable

File size

31,968

Date (UTC)

31-Jul-2015

Time (UTC)

08:30

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8 and Windows Server 2012

File property

Value

File name

Amd64_083799a3c879789cfc72d013753355a0_31bf3856ad364e35_6.2.9200.21578_none_3c8ea1e3716bf558.manifest

File version

Not applicable

File size

1,078

Date (UTC)

31-Jul-2015

Time (UTC)

18:02

Platform

Not applicable

File name

Amd64_673f9ea3f9ec8299f36b9c2f883fd351_31bf3856ad364e35_6.2.9200.21578_none_af5a38909a44e49f.manifest

File version

Not applicable

File size

719

Date (UTC)

31-Jul-2015

Time (UTC)

18:02

Platform

Not applicable

File name

Amd64_d4f535de29aa19456fc522bb01b9f1ba_31bf3856ad364e35_6.2.9200.21578_none_4ad63249bd2a58d5.manifest

File version

Not applicable

File size

717

Date (UTC)

31-Jul-2015

Time (UTC)

18:02

Platform

Not applicable

File name

Amd64_microsoft-windows-t..icesframework-msctf_31bf3856ad364e35_6.2.9200.21578_none_cf25b07b919b4f8d.manifest

File version

Not applicable

File size

31,972

Date (UTC)

31-Jul-2015

Time (UTC)

09:46

Platform

Not applicable

File name

X86_microsoft-windows-t..icesframework-msctf_31bf3856ad364e35_6.2.9200.21578_none_730714f7d93dde57.manifest

File version

Not applicable

File size

31,968

Date (UTC)

31-Jul-2015

Time (UTC)

08:30

Platform

Not applicable

Status

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

References

See the terminology that Microsoft uses to describe software updates.

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