FIX: You receive a "System.AppDomainUnloadedException" error message when a Managed Extensions for C++ object is unloaded in the .NET Framework 1.1 (836650)


The information in this article applies to:

  • Microsoft .NET Framework 1.1

SYMPTOMS

When a Managed Extensions for C++ object is unloaded in the Microsoft .NET Framework 1.1, you receive an error message that is similar to the following:
Unhandled Exception: System.AppDomainUnloadedException
Attempted to access an unloaded AppDomain as Server.ManagedClass.Finalize() in c:\...\server.h line 32

CAUSE

This problem may occur if you create an application in Microsoft Visual C# .NET that creates the following:
  • An application domain
  • An instance of a Managed Extensions for C++ class where the Managed Extensions for C++ class is a wrapper for an unmanaged C++ class that has a Virtual Destructor
Note This problem does not occur if there is no Virtual Destructor in the unmanaged C++ class.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for the .NET Framework 1.1. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

885055 How to obtain Microsoft .NET Framework 1.1 Service Pack 1

Software update information

A supported software update is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This software update may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 1.1 service pack that contains this software update.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the software update. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;[LN];CNTACTMS

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

File information

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   Version        Size       File name
   ---------------------------------------------------------------
   04-Mar-2004  05:24  1.1.4322.1008     77,824  Corperfmonext.dll
   04-Mar-2004  05:20  1.1.4322.1008    282,624  Fusion.dll
   04-Mar-2004  05:21  1.1.4322.1008    311,296  Mscorjit.dll
   04-Mar-2004  05:24  1.1.4322.1008    102,400  Mscorld.dll
   05-Mar-2004  10:07  1.1.4322.1008  2,093,056  Mscorlib.dll
   04-Mar-2004  05:14                    10,756  Mscorlib.ldo
   04-Mar-2004  05:22  1.1.4322.1008  2,498,560  Mscorsvr.dll
   04-Mar-2004  05:23  1.1.4322.1008  2,490,368  Mscorwks.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in the .NET Framework 1.1 Service Pack 1.

MORE INFORMATION

For additional information, 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

Modification Type:MinorLast Reviewed:10/25/2005
Keywords:kbHotfixServer kbQFE kbNetFrame110sp1fix kbBug kbfix kbQFE kbNetFrame110preSP1fix KB836650 kbAudDeveloper kbAudITPRO
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