Knowledge Base

FIX: The configuration program for an application does not run and the RunOnceEx registry key is cleared when you restart a computer that is running Internet Explorer 7

Article ID: 927357

Article Last Modified on 2/13/2007

APPLIES TO

Windows Internet Explorer 7 in Windows Vista
Windows Internet Explorer 7 for Windows Server 2003
Windows Internet Explorer 7 for Windows XP

SYMPTOMS

Consider the following scenario:

You install Windows Internet Explorer 7 on a computer.
Then you install another application on the computer.
The Setup program for the second application sets the RunOnceEx registry key to run a configuration program the next time that the computer starts.

In this scenario, the configuration program for the second application does not run when you restart the computer. Additionally, the RunOnceEx registry key is cleared.

CAUSE

When a computer has Internet Explorer 7 installed, Iernonce.dll does not process the RunOnceEx registry key.

RESOLUTION

Security update information

To resolve this problem, users must install the most current cumulative security update for Internet Explorer. To install the most current updates, visit the following Microsoft Web site:

http://windowsupdate.microsoft.com

For more technical information about the most current cumulative security update for Internet Explorer, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/current.aspx

Note This hotfix was first included in security update 928090 (MS07-016). For more information, click the following article number to view the article in the Microsoft Knowledge Base:

928090 MS07-016: Cumulative security update for Internet Explorer

WORKAROUND

When you develop the application, set the No Status Dialog option of the RunOnceEx registry key.

STATUS

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

MORE INFORMATION

For more information about the RunOnceEx registry key, click the following article number to view the article in the Microsoft Knowledge Base:

310593 Description of the RunOnceEx registry key

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

Keywords: kbtshoot kbbug kbfix kbprb kbexpertisebeginner KB927357

Microsoft KB Archive/927357

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