GetMappedFileName() Generates an ERROR_NOACCESS Response (320133)

The information in this article applies to:

Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

This article was previously published under Q320133

SYMPTOMS

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.

CAUSE

The function passes an incorrect value to a system function.

RESOLUTION

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

STATUS

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.

Modification Type:	Minor	Last Reviewed:	9/27/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbOSWin2000fix kbWinXPsp1fix KB320133