Consider the following scenario:

  • On a computer that is running Windows Vista or Windows Server 2008, an application uses legacy methods to query performance counter values. For example, the application uses the RegQueryValueEx function to perform a global query for performance counter data.
  • Counter data is returned from more than 64 counter sets that are registered by performance counter version 2.0 APIs. For example, the application performs a global query on a system on which more than 64 of these counter sets are registered.

In this scenario, the application may crash.

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