This article describes an issue that occurs after you install April 2015 security update for Windows (3045999) in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. A hotfix is available to fix this issue. The hotfix has a prerequisite.

Symptoms

Applications that call Windows Management Instrumentation (WMI) APIs directly or call APIs that rely on WMI (such as the ManagementEventWatcher class) don't get the correct process status (regardless of whether the process is running or not).

Cause

This issue occurs because new process creation events aren't triggered by the WMI notification query if security update 3045999 is installed.

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

To apply this hotfix, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2, and also have April 2015 security update for Windows (3045999) installed.

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.

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.

File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

Important Windows 8.1 hotfixes and Windows Server 2012 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 8.1/Windows Server 2012 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.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

    6.3.960 0.18 xxx

    Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2

    RTM

    GDR

  • 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 aren't listed, are signed with a Microsoft digital signature.

Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Krnlprov.dll

6.3.9600.18049

37,888

07-Sep-2015

16:02

Not applicable

Krnlprov.mof

Not applicable

14,840

21-Aug-2013

23:38

Not applicable

x86 Windows 8.1

File name

File version

File size

Date

Time

Platform

Krnlprov.dll

6.3.9600.18049

38,912

07-Sep-2015

16:16

x86

Krnlprov.mof

Not applicable

14,840

21-Aug-2013

23:46

Not applicable

x64 Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Krnlprov.dll

6.3.9600.18049

46,592

07-Sep-2015

16:55

x64

Krnlprov.mof

Not applicable

14,840

22-Aug-2013

06:51

Not applicable

Windows RT 8.1

File property

Value

File name

Arm_ac19e7cd12206434820ca098a529194d_31bf3856ad364e35_6.3.9600.18050_none_b5a51401a4097e24.manifest

File version

Not applicable

File size

709

Date (UTC)

09-Sep-2015

Time (UTC)

03:09

Platform

Not applicable

File name

Arm_microsoft-windows-wmi-krnlprov-provider_31bf3856ad364e35_6.3.9600.18050_none_786f36391099245c.manifest

File version

Not applicable

File size

7,364

Date (UTC)

08-Sep-2015

Time (UTC)

19:08

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,786

Date (UTC)

09-Sep-2015

Time (UTC)

03:09

Platform

Not applicable

x86 Windows 8.1

File property

Value

File name

Update.mum

File version

Not applicable

File size

1,786

Date (UTC)

09-Sep-2015

Time (UTC)

03:09

Platform

Not applicable

File name

X86_17accf99a8aa31a82aef00bf2f4759b2_31bf3856ad364e35_6.3.9600.18050_none_17fb8786c0f2c391.manifest

File version

Not applicable

File size

709

Date (UTC)

09-Sep-2015

Time (UTC)

03:09

Platform

Not applicable

File name

X86_microsoft-windows-wmi-krnlprov-provider_31bf3856ad364e35_6.3.9600.18050_none_786cc3e1109c0596.manifest

File version

Not applicable

File size

7,364

Date (UTC)

08-Sep-2015

Time (UTC)

19:05

Platform

Not applicable

x64 Windows 8.1 and Windows Server 2012 R2

File property

Value

File name

Amd64_2abba023b6195fd5e67388a360da2cde_31bf3856ad364e35_6.3.9600.18050_none_1fa31256be39baf4.manifest

File version

Not applicable

File size

713

Date (UTC)

09-Sep-2015

Time (UTC)

03:09

Platform

Not applicable

File name

Amd64_microsoft-windows-wmi-krnlprov-provider_31bf3856ad364e35_6.3.9600.18050_none_d48b5f64c8f976cc.manifest

File version

Not applicable

File size

7,368

Date (UTC)

08-Sep-2015

Time (UTC)

19:19

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,239

Date (UTC)

09-Sep-2015

Time (UTC)

03:09

Platform

Not applicable

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