Applications crash when automated by a UI Automation client app in Windows

Symptoms

Desktop applications may crash when they are automated by a UI Automation client application. This issue may affect accessibility applications or UI automation testing tools in Windows Server 2012, Windows Embedded 8, Windows Server 2008 R2 Service Pack 1 (SP1), or Windows 7 SP1.

Cause

This issue occurs because of an unhandled access violation exception in UIAutomationCore.dll.

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 install Service Pack 1 for Windows 7 or Windows Server 2008 R2. There's no prerequisite for Windows Embedded 8 and Windows Server 2012 to apply this hotfix.

Registry information

To apply this hotfix, 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

Learn about 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 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. Note The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed 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.

ia64 Windows Server 2008 R2

File name	File version	File size	Date	Time	Platform
Uiautomationcore.dll	7.0.0.0	1,423,872	13-Mar-2015	03:22	IA-64
Uiautomationcore.ptxml	Not applicable	1,054	13-Mar-2015	00:13	Not applicable
Uiautomationcore.dll	7.0.0.0	562,176	13-Mar-2015	04:05	x86
Wow64_uiautomationcore.ptxml	Not applicable	1,054	13-Mar-2015	00:16	Not applicable

x64 Windows 7 and Windows Server 2008 R2

File name	File version	File size	Date	Time	Platform
Uiautomationcore.dll	7.0.0.0	752,128	13-Mar-2015	04:24	x64
Uiautomationcore.ptxml	Not applicable	1,054	13-Mar-2015	00:18	Not applicable
Uiautomationcore.dll	7.0.0.0	562,176	13-Mar-2015	04:05	x86
Wow64_uiautomationcore.ptxml	Not applicable	1,054	13-Mar-2015	00:16	Not applicable

x86 Windows 7

File name	File version	File size	Date	Time	Platform
Uiautomationcore.dll	7.0.0.0	562,176	13-Mar-2015	04:05	x86
Uiautomationcore.ptxml	Not applicable	1,054	13-Mar-2015	00:16	Not applicable

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. Note The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed 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.

x86 Windows 8

File name	File version	File size	Date	Time	Platform
Uiautomationcore.dll	7.2.9200.21414	901,632	11-Mar-2015	03:17	x86
Uiautomationcore.ptxml	Not applicable	1,054	25-Jul-2012	20:21	Not applicable
Uiautomationcoreres.dll	7.2.9200.16384	33,792	26-Jul-2012	02:44	x86

x64 Windows 8 and Windows Server 2012

File name	File version	File size	Date	Time	Platform
Uiautomationcore.dll	7.2.9200.21414	1,162,752	11-Mar-2015	04:12	x64
Uiautomationcore.ptxml	Not applicable	1,054	25-Jul-2012	20:18	Not applicable
Uiautomationcoreres.dll	7.2.9200.16384	33,792	26-Jul-2012	02:34	x64
Uiautomationcore.dll	7.2.9200.21414	901,632	11-Mar-2015	03:17	x86
Uiautomationcoreres.dll	7.2.9200.16384	33,792	26-Jul-2012	02:44	x86
Wow64_uiautomationcore.ptxml	Not applicable	1,054	25-Jul-2012	20:21	Not applicable