FIX: An access violation occurs when you start an application that runs on the CLR

Symptoms

When you start an application that runs on the common language runtime (CLR), an access violation occurs. This problem occurs when the following conditions are true:

  • The computer has more than 32 Itanium (IA-64) processors.

  • Server garbage collection is enabled.

Cause

When server garbage collection is enabled on the Itanium-based system, there is an array that has 32 elements to store the heap. Before an allocation on a thread is made, the heap should be determined by the index that corresponds to current CPU. When the CPU number exceeds 32, an access violation occurs.

Resolution

Hotfix Replacement Information

The hotfix that corresponds to KB961881 has been superseded with the hotfix KB981574, which contains all fixes that were previously included in KB961881. You should use the hotfix KB981574 to fix the issues described in KB961881. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

981574 The splash screen stays open longer than usual when you try to start Excel on a computer that has the .NET Framework 3.5 SP1 installed

Workaround

To work around this problem, you can enable workstation garbage collection instead of server garbage collection.

Status

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

References

For more information about how to configure garbage collection on the server, visit the following Microsoft Web site:

http://msdn.microsoft.com/en-us/library/bb680014.aspx

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