Microsoft KB Archive/893414

= FIX: A fatal exception may occur in the AYGShell component if the GetProcAddress function fails when you start a Windows CE .NET 4.2-based platform =

Article ID: 893414

Article Last Modified on 7/25/2006

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APPLIES TO


 * Microsoft Windows CE .NET 4.2

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SYMPTOMS
You may experience the following conditions:
 * When you start a Microsoft Windows CE .NET 4.2-based platform that uses the AYGShell component, a fatal exception may occur that makes the device stop functioning.
 * The GetProcAddress function may return the base address of the DLL when the call to the GetProcAddress function fails. The expected behavior is that the GetProcAddress returns NULL on failure.



CAUSE
This problem occurs because an error in the GetProcAddress function implementation causes the base address of the DLL module to be returned instead of NULL when the module resides in process slot 0 and the requested entry point is not exported. A known scenario exists where the common controls initialization code calls the GetProcAddress function on the AYGShell component for an entry point that is not exported. In this scenario, the common controls initialization code tries to call the resulting module base address. However, this module base address does not contain executable code.



Software update information
A supported software update is now available from Microsoft as Windows CE .NET 4.2 Core OS QFE 893414. To resolve this problem immediately, click the following article number for information about obtaining Windows CE Platform Builder and core operating system software updates:

837392 How to locate core operating system fixes for Microsoft Windows CE Platform Builder products

Prerequisites
This software update is supported only if all previously issued software updates for this product have also been installed.

Restart requirement
After you install this software update, you must perform a clean build of the whole platform. To clean the platform, click Clean on the Build menu. To build the platform, click Build Platform on the Build menu. You do not have to restart the computer after you apply this software update.

Software update replacement information
This software update does not replace any other software updates.

File information
The English version of this software update package has the file attributes or the later file attributes that are listed in the following table.   Date         Time   Size       File name --  11-May-2005  19:30  9,587,200  Wincepb42-050511-kb893414-armv4.msi 11-May-2005 19:30  9,590,784  Wincepb42-050511-kb893414-armv4i.msi 11-May-2005 19:30  9,673,728  Wincepb42-050511-kb893414-mipsii.msi 11-May-2005 19:30  9,790,976  Wincepb42-050511-kb893414-mipsii_fp.msi 11-May-2005 19:30  9,719,296  Wincepb42-050511-kb893414-mipsiv.msi 11-May-2005 19:30  9,844,736  Wincepb42-050511-kb893414-mipsiv_fp.msi 11-May-2005 19:30  9,401,856  Wincepb42-050511-kb893414-sh3.msi 11-May-2005 19:30  9,428,992  Wincepb42-050511-kb893414-sh4.msi 11-May-2005 19:30  9,258,496  Wincepb42-050511-kb893414-x86.msi The English version of this software update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.   Date         Time   Size       File name ---  Path: Public\Common\Oak\Lib\Armv4\Debug 03-May-2005 21:03  1,904,706  Nkmain.lib 03-May-2005 21:03  2,030,440  Nkprmain.lib

Path: Public\Common\Oak\Lib\Armv4\Retail 03-May-2005 21:02  1,204,700  Nkmain.lib 03-May-2005 21:03  1,307,412  Nkprmain.lib

Path: Public\Common\Oak\Lib\Armv4i\Debug 03-May-2005 21:03  1,908,932  Nkmain.lib 03-May-2005 21:03  2,034,910  Nkprmain.lib

Path: Public\Common\Oak\Lib\Armv4i\Retail 03-May-2005 21:03  1,207,298  Nkmain.lib 03-May-2005 21:03  1,310,534  Nkprmain.lib

Path: Public\Common\Oak\Lib\Mipsii\Debug 03-May-2005 21:04  1,944,662  Nkmain.lib 03-May-2005 21:04  2,082,498  Nkprmain.lib

Path: Public\Common\Oak\Lib\Mipsii\Retail 03-May-2005 21:04  1,239,438  Nkmain.lib 03-May-2005 21:04  1,354,092  Nkprmain.lib

Path: Public\Common\Oak\Lib\Mipsii_fp\Debug 03-May-2005 21:04  2,012,616  Nkmain.lib 03-May-2005 21:04  2,150,458  Nkprmain.lib

Path: Public\Common\Oak\Lib\Mipsii_fp\Retail 03-May-2005 21:04  1,299,876  Nkmain.lib 03-May-2005 21:04  1,414,636  Nkprmain.lib

Path: Public\Common\Oak\Lib\Mipsiv\Debug 03-May-2005 21:05  1,971,036  Nkmain.lib 03-May-2005 21:05  2,110,316  Nkprmain.lib

Path: Public\Common\Oak\Lib\Mipsiv\Retail 03-May-2005 21:05  1,255,426  Nkmain.lib 03-May-2005 21:05  1,371,300  Nkprmain.lib

Path: Public\Common\Oak\Lib\Mipsiv_fp\Debug 03-May-2005 21:05  2,043,852  Nkmain.lib 03-May-2005 21:05  2,183,148  Nkprmain.lib

Path: Public\Common\Oak\Lib\Mipsiv_fp\Retail 03-May-2005 21:05  1,320,886  Nkmain.lib 03-May-2005 21:05  1,436,868  Nkprmain.lib

Path: Public\Common\Oak\Lib\Sh3\Debug 03-May-2005 21:06  1,577,658  Nkmain.lib 03-May-2005 21:06  1,688,916  Nkprmain.lib

Path: Public\Common\Oak\Lib\Sh3\Retail 03-May-2005 21:06  1,054,520  Nkmain.lib 03-May-2005 21:06  1,154,818  Nkprmain.lib

Path: Public\Common\Oak\Lib\Sh4\Debug 03-May-2005 21:06  1,598,166  Nkmain.lib 03-May-2005 21:06  1,709,496  Nkprmain.lib

Path: Public\Common\Oak\Lib\Sh4\Retail 03-May-2005 21:06  1,073,216  Nkmain.lib 03-May-2005 21:06  1,173,506  Nkprmain.lib

Path: Public\Common\Oak\Lib\X86\Debug 03-May-2005 21:02  1,579,142  Nkmain.lib 03-May-2005 21:02  1,691,002  Nkprmain.lib

Path: Public\Common\Oak\Lib\X86\Retail 03-May-2005 21:02  1,009,190  Nkmain.lib 03-May-2005 21:02  1,102,338  Nkprmain.lib



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbbug kbfix kbqfe kbpubtypekc KB893414

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