Microsoft small business knowledge base

Article ID: 309521 - Last Review: October 29, 2007 - Revision: 2.8

This article was previously published under Q309521


The "" update provides patches for the problems that are discussed in the following Microsoft Knowledge Base articles:
308414  ( ) Patch Available for HTTP Request Encoding Vulnerability
309073  ( ) WinXP: Invalid Universal Plug and Play Request can Disrupt System Operation
310387  ( ) Windows Protection Error When You Attempt to Install Flash 5.0


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
To resolve this problem, obtain the following update from the Microsoft Windows Update Web site.
Collapse this imageExpand this image
Download the "" update now (
Release Date: October 25, 2001

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591  ( ) How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

The English version of this fix should have the following file attributes or later:
   Date         Time   Version      Size       File name     Platform 
   04-Oct-2001  13:58     498,960  Dxmasf.dll    i386
   12-Oct-2001  19:21  5.1.2600.1      54,272  Httpod51.dll  i386
   21-Sep-2001  21:40  5.1.2600.14    653,824  Lsasrv.dll    i386
   04-Oct-2001  13:58     844,048  Msdxm.ocx     i386
   16-Oct-2001  12:37  5.1.2600.16  1,560,576  Sfcfiles.dll  i386
   12-Oct-2001  21:07  5.1.2600.16      7,168  Spiisupd.exe  i386
   03-Oct-2001  13:17  5.1.2600.15     26,624  Ssdpapi.dll   i386
   03-Oct-2001  13:17  5.1.2600.15     40,960  Ssdpsrv.dll   i386
   12-Oct-2001  19:23  5.1.2600.1      40,448  Ssinc51.dll   i386
   03-Oct-2001  20:27  6.0.2600.1     109,568  Url.dll       i386
   03-Oct-2001  20:25  6.0.2600.1     568,832  Wininet.dll   i386


Microsoft has confirmed that this problem may cause a degree of security vulnerability in Microsoft Windows XP. This problem was first corrected in Windows XP Service Pack 1.

  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
atdownload kbproductlink kbqfe kbenv kbbug kbfix kbsecurity kbsysadmin kbwinxpsp1fix KB309521
Additional support options
Ask The Microsoft Small Business Support Community
Contact Microsoft Small Business Support
Find Microsoft Small Business Support Certified Partner
Find a Microsoft Store For In-Person Small Business Support