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ITsVISTA KB-Link: KB953290

An application may crash when it uses legacy methods to query performance counter values in Windows Vista or in Windows Server 2008

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.

There is a download that resolves this issue. See Hotfixes for details.

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB953290.

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