GetMappedFileName() Generates an ERROR_NOACCESS Response

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Article ID: 320133 - View products that this article applies to.
This article was previously published under Q320133
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If you call the GetMappedFileName function to determine if the specified address is located in a memory-mapped file in the address space of the specified process, GetMappedFileName returns zero. The Win32 error is ERROR_NOACCESS.


The function passes an incorrect value to a system function.


To resolve this problem, obtain the latest service pack for Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack
The English version of this fix should have the following file attributes or later:
   Date         Time   Version      Size    File name
   02-Apr-2002  18:43  5.1.2600.41  17,920  Psapi.dll


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows XP Service Pack 1.


Article ID: 320133 - Last Review: May 17, 2007 - Revision: 1.3
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
kbhotfixserver kbqfe kbbug kbfix kboswin2000fix kbwinxpsp1fix KB320133

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