You cannot stop a process by using the Taskkill.exe utility in Windows

Symptoms

Consider the following scenario:
  • You have a computer that is running Windows 8, Windows Server 2012, Windows 7, Windows Server 2008 R2, Windows Vista, or Windows Server 2008.
  • The computer is operating under a heavy load.
  • You try to run the Taskkill.exe utility to stop a process. For example, you run the following command to stop a process that has the process ID "128":
    Taskkill.exe /PID 128
In this scenario, the process does not stop. Additionally, you receive an error message that resembles the following:
ERROR: The process "128" not found.

Resolution

Cumulative Update information

To resolve this issue in Windows 8 or in Windows Server 2012, install the cumulative update 2811660. For more information about how to obtain this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2811660 Windows 8 and Windows Server 2012 cumulative update: March 2013

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: 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 one of the following operating systems:
  • Windows Vista Service Pack 2 (SP2)

  • Windows Server 2008 Service Pack 2 (SP2)

  • Windows 7 Service Pack 1 (SP1)
  • Windows Server 2008 R2 Service Pack 1 (SP1)

Registry information

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

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.
File information

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 Server 2008 and for Windows Vista

Additional files for all supported x86-based versions of Windows Server 2008 and of Windows Vista
File nameX86_microsoft-windows-taskkill_31bf3856ad364e35_6.0.6002.23017_none_27ea2cd67256622e.manifest
File versionNot applicable
File size7,646
Date (UTC)11-Jan-2013
Time (UTC)10:43
PlatformNot applicable
Additional files for all supported x64-based versions of Windows Server 2008 and of Windows Vista
File nameAmd64_microsoft-windows-taskkill_31bf3856ad364e35_6.0.6002.23017_none_8408c85a2ab3d364.manifest
File versionNot applicable
File size7,680
Date (UTC)11-Jan-2013
Time (UTC)03:59
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
File nameIa64_microsoft-windows-taskkill_31bf3856ad364e35_6.0.6002.23017_none_27ebd0cc72546b2a.manifest
File versionNot applicable
File size7,663
Date (UTC)11-Jan-2013
Time (UTC)02:30
PlatformNot applicable

Additional file information for Windows Server 2008 R2 and for Windows 7

Additional files for all supported x86-based versions of Windows 7
File nameX86_microsoft-windows-taskkill_31bf3856ad364e35_6.1.7601.18049_none_2769da58ba669f6e.manifest
File versionNot Applicable
File size2,586
Date (UTC)11-Jan-2013
Time (UTC)13:04
PlatformNot Applicable
File nameX86_microsoft-windows-taskkill_31bf3856ad364e35_6.1.7601.22215_none_280fe7a5d36f8330.manifest
File versionNot Applicable
File size2,586
Date (UTC)11-Jan-2013
Time (UTC)12:57
PlatformNot Applicable
Additional files for all supported x64-based versions of Windows Server 2008 R2 and of Windows 7
File nameAmd64_microsoft-windows-taskkill_31bf3856ad364e35_6.1.7601.18049_none_838875dc72c410a4.manifest
File versionNot Applicable
File size2,590
Date (UTC)11-Jan-2013
Time (UTC)15:40
PlatformNot Applicable
File nameAmd64_microsoft-windows-taskkill_31bf3856ad364e35_6.1.7601.22215_none_842e83298bccf466.manifest
File versionNot Applicable
File size2,590
Date (UTC)11-Jan-2013
Time (UTC)13:59
PlatformNot Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
File nameIa64_microsoft-windows-taskkill_31bf3856ad364e35_6.1.7601.18049_none_276b7e4eba64a86a.manifest
File versionNot Applicable
File size2,588
Date (UTC)11-Jan-2013
Time (UTC)13:58
PlatformNot Applicable
File nameIa64_microsoft-windows-taskkill_31bf3856ad364e35_6.1.7601.22215_none_28118b9bd36d8c2c.manifest
File versionNot Applicable
File size2,588
Date (UTC)11-Jan-2013
Time (UTC)13:54
PlatformNot Applicable

Properties

Article ID: 2798040 - Last Review: Apr 26, 2013 - Revision: 1

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