Microsoft KB Archive/834742

= FIX: The WinHttpGetProxyForUrl function fails with the ERROR_WINHTTP_BAD_AUTO_PROXY_SCRIPT error code =

Article ID: 834742

Article Last Modified on 8/29/2007

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APPLIES TO


 * Microsoft JScript 5.5
 * Microsoft Windows XP Professional
 * Microsoft Windows XP Embedded
 * Microsoft Windows 2000 Standard Edition
 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 2
 * Microsoft Windows 2000 Service Pack 3

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SYMPTOMS
When you make repetitive calls to the WinHttpGetProxyForUrl function, the function may fail with the following error code:

ERROR_WINHTTP_BAD_AUTO_PROXY_SCRIPT



CAUSE
The error message that is mentioned in the &quot;Symptoms&quot; section of this article occurs because a Thread Local Storage leak occurs in Jscript.dll. Typically, this error occurs after the five hundred thirty-eighth call to the function.



Windows XP 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 How to obtain the latest Windows XP service pack

Hotfix information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that this article describes. Apply this hotfix only to systems that are experiencing this specific problem.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

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    Platform --  04-Feb-2004  19:59  5.6.0.8821  446,464  Jscript.dll  Windows XP   03-Feb-2004  17:35  5.6.0.8821  446,464  Jscript.dll  Windows 2000



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Microsoft Windows XP Service Pack 2.



WORKAROUND
To work around this problem, call the CoInitialize function and the CoUninitialize function in the code.

Keywords: kbhotfixserver kbwinxpsp2fix kbwinxppresp2fix kbwin2000presp3fix kbscript kbfix kbbug kbqfe KB834742

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