Article ID: 841005 - Last Review: January 16, 2012 - Revision: 4.0

You receive a Stop error code 0x00000003 (UNSYNCHRONIZED_ACCESS) on your Windows XP-based computer

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SYMPTOMS

Your Microsoft Windows XP-based computer stops responding unexpectedly, and you receive a Stop error message that is similar to the following:
A problem has been detected and Windows has been shut down to prevent damage to your computer...
Technical information:

*** STOP: 0x00000003 (0x03C91000, 0x00000134, 0x00000CF0, 0x00000000)
UNSYNCHRONIZED_ACCESS
Note The four parameters in this error message may vary based on the cause of the Stop error.

When you use Event Viewer, you may see that an access violation in the Vidcap.ax Universal Video Class (UVC) driver file is logged.
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RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389  (http://support.microsoft.com/kb/322389/EN-US/ ) How to obtain the latest Windows XP service pack
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Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. 
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   17-Mar-2004  06:02  5.5.5.0            15,872  Spupdsvc.exe     
   03-May-2004  23:43  5.1.2600.2125      28,672  Vidcap.ax
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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft Windows XP Service Pack 2.
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MORE INFORMATION

This Stop error typically occurs on computers with multiple TV tuner cards installed.
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REFERENCES

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates
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APPLIES TO
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Media Center Edition 2004
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Keywords: 
kbautohotfix kbqfe kbhotfixserver kbwinxpsp2fix kbwinxppresp2fix kbfix kbbug KB841005
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