When you run an application that requires the common language runtime (CLR) to load a mixed-mode assembly in the Microsoft .NET Framework 2.0 Service Pack 2 (SP2), a memory leak occurs. You find a gradual increase in the memory by using one of the following methods:
You track the Bytes in Loader Heap performance counter under the .NET CLR Loading group in Performance Monitor.
You track the Virtual Bytes performance counter under the Process group in Performance Monitor.
You track the Task Manager.
Hotfix Replacement Information
The hotfix that corresponds to KB961870 has been superseded with the hotfix KB981574, which contains all fixes that were previously included in KB961870. You should use the hotfix KB981574 to fix the issues described in KB961870. 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
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about how to track performance by using Performance Monitor (Perfmon.exe), visit the following Microsoft Developer Network (MSDN) Web site: