Problems may occur when you try to use POST method or the GET method to pass Form data in a Web page in Internet Explorer 7 or in Internet Explorer 6

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Article ID: 939941 - View products that this article applies to.
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
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SYMPTOMS

In Windows Internet Explorer 7 or in Microsoft Internet Explorer 6, when you try to use POST method or the GET method to pass Form data in a Web page, you may experience one of the following symptoms.

Symptom 1

The POST method or the GET method may encode certain characters as Unicode numeric character references. For example, these methods may encode あ as %26% 2312354%3B.

This problem may occur in Web pages that contain Japanese characters. Additionally, the Web pages are marked with a charset of windows-31j in the HTTP headers.

Symptom 2

The POST method or the GET method cannot transmit Form data to the Web server. Additionally, you may receive a script error message that resembles the following:
Line: Line Number
Char: Number
Error: Unspecified error.
Code: 0
URL: URL
This problem may occur if the Form data contains Unicode-only characters at the start of a lone field. For example, the Form data may contain one of the following kinds of Unicode-only characters at the start of a lone field:
  • A mixture of ASCII and Japanese characters.
  • The character U+301C (tilde 〜) together with Chinese, Japanese, or Korean characters.
  • The character U+3030 (tilde 〰) together with Chinese, Japanese, or Korean characters.

CAUSE

This problem occurs because Internet Explorer does not correctly use the code page for the required language when the Form data contains certain character combinations.

RESOLUTION

Security update information

To resolve this problem, install the most current cumulative security update for Internet Explorer. To install the most current updates, visit the following Microsoft Web site:
http://update.microsoft.com
For more technical information about the most current cumulative security update for Internet Explorer, visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/current.aspx
Note This fix was first included in security update 947864 (MS08-024). For more information, click the following article number to view the article in the Microsoft Knowledge Base:
947864 MS08-024: Cumulative Security Update for Internet Explorer

Service pack information

To resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack

Hotfix information

Internet Explorer 7 in Windows Vista

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
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.
Prerequisites
To apply this hotfix, you must have Internet Explorer 7 installed in Windows Vista.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.
Windows Vista, x86-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Update.mumNot applicable1,95514-Aug-200713:43Not applicable
X86_c6d00ed094683fc17863d9f000f3471f_31bf3856ad364e35_6.0.6000.20660_none_6a6c64b1e7fb11d5.manifestNot applicable70414-Aug-200713:43Not applicable
X86_microsoft-windows-ie-htmlrendering_31bf3856ad364e35_6.0.6000.20660_none_11a58f533e513474.manifestNot applicable928,49414-Aug-200713:43Not applicable
Mshtml.dll7.0.6000.206603,592,19214-Aug-200702:22x86
Mshtml.tlb7.0.6000.206601,383,42413-Aug-200723:27Not applicable

Windows Vista, 64-bit versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_adc064d3c3764f0db37954aa4e7dc73d_31bf3856ad364e35_6.0.6000.20660_none_0cf1d7b9cf353430.manifestNot applicable70814-Aug-200713:43Not applicable
Amd64_c6d00ed094683fc17863d9f000f3471f_31bf3856ad364e35_6.0.6000.20660_none_c68b0035a058830b.manifestNot applicable70614-Aug-200713:43Not applicable
Amd64_microsoft-windows-ie-htmlrendering_31bf3856ad364e35_6.0.6000.20660_none_6dc42ad6f6aea5aa.manifestNot applicable928,55514-Aug-200713:47Not applicable
Package_1_for_kb939941~31bf3856ad364e35~amd64~~6.0.1.0.mumNot applicable1,80314-Aug-200713:43Not applicable
Package_2_for_kb939941~31bf3856ad364e35~amd64~~6.0.1.0.mumNot applicable1,96614-Aug-200713:43Not applicable
Update.mumNot applicable1,86914-Aug-200713:43Not applicable
Mshtml.dll7.0.6000.206605,679,10414-Aug-200704:39x64
Mshtml.tlb7.0.6000.206601,383,42413-Aug-200723:38Not applicable

Internet Explorer 7 in Windows Server 2003

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
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.
Prerequisites
To apply this hotfix, you must meet the following requirements:
  • You must have Windows Server 2003 Service Pack 2 installed on the computer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
    889100 How to obtain the latest service pack for Windows Server 2003
  • You must have Internet Explorer 7 in Windows Server 2003 Service Pack 2.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.
Windows Server 2003 with Service Pack 2, x86-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Mshtml.dll7.0.6000.206613,592,19222-Aug-200722:12x86

Windows Server 2003 with Service Pack 2, x64-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Mshtml.dll7.0.6000.206615,679,10422-Aug-200720:07x64SP2Not applicable
Wmshtml.dll7.0.6000.206613,592,19222-Aug-200720:08x86SP2WOW

Windows Server 2003 with Service Pack 2, Itanium-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Mshtml.dll7.0.6000.2066110,051,58422-Aug-200720:08IA-64SP2Not applicable
Wmshtml.dll7.0.6000.206613,592,19222-Aug-200720:09x86SP2WOW

Internet Explorer 7 and Internet Explorer 6 in Windows XP

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
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.
Prerequisites
To apply this hotfix, you must have Windows XP Service Pack 2 installed on the computer. For more 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
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.
Windows XP with Service Pack 2, x86-based versions for Internet Explorer 6
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Mshtml.dll6.0.2900.31953,064,83214-Aug-200716:43x86
Windows XP with Service Pack 2, x86-based versions for Internet Explorer 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Mshtml.dll7.0.6000.206613,592,19223-Aug-200706:50x86

Post-installation information

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

After you apply this hotfix, you must edit the registry to enable the hotfix. To do this, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.

    Note On a Windows Vista-based computer, click Start
    Collapse this imageExpand this image
    the Start button
    , type regedit in the Start Search box, and then press ENTER.
  2. Locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
  3. On the Edit menu, point to New, and then click Key.
  4. Type FEATURE_INTL_FORM_RESULTS_ENCODING_KB939941, and then press ENTER.
  5. On the Edit menu, point to New, and then click DWORD Value.
  6. Type iexplore.exe, and then press ENTER.
  7. On the Edit menu, click Modify.
  8. In the Value data box, type 1, and then click OK.
  9. On the Edit menu, point to New, and then click Key.
  10. Type FEATURE_WINDOWS31J_FALLBACK_KB939941, and then press ENTER.
  11. On the Edit menu, point to New, and then click DWORD Value.
  12. Type iexplore.exe, and then press ENTER.
  13. On the Edit menu, click Modify.
  14. In the Value data box, type 1, and then click OK.
  15. Exit Registry Editor.

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 Windows Vista Service Pack 1.

MORE INFORMATION

You can use the following sample code to see the problems that are described in the "Symptoms" section.
<%
  dim hoge
  Response.AddHeader "Cache-Control", "no-cache"
  Response.ContentType = "text/html; charset=windows-31J"
  hoge = Request.QueryString("p1")
%>
<html>
<body>
  <a href="testcase.asp">Reset page</a><br>
  <h4>Testcase: Submit Wave Dash</h4>
  <form name="form1">
  P1: <input type="text" name="p1" value="&#12316;"><br>
  <input type="submit" value="type=submit">
  <input type="button" value="type=button" onClick="javascript:form1.submit();">
  </form>
  <br>
  P1 = <%=hoge%> <br><br>
  <code>
     P1 = [Wave Dash]<br>
     Result: <br>
       Form Cannot be submitted (javascript error in javascript case)<br>
     Expected Result: <br>
       Form should be submitted<br>
  </code>
  </body>
</html>
For more information about how to pass Form data from one page to another by using GET and POST in Active Server pages, click the following article number to view the article in the Microsoft Knowledge Base:
300104 How to pass form data from one page to another by using GET and POST in Active Server pages
For more information about the METHOD attribute and the method property, visit the following Web site:
http://msdn2.microsoft.com/en-us/library/ms534167.aspx

Properties

Article ID: 939941 - Last Review: October 8, 2011 - Revision: 4.0
APPLIES TO
  • Windows Internet Explorer 7 for Windows XP
  • Windows Internet Explorer 7 for Windows Server 2003
  • Windows Internet Explorer 7 in Windows Vista
  • Microsoft Internet Explorer 6.0, when used with:
    • Microsoft Windows XP Home Edition
    • Microsoft Windows XP Professional
    • Microsoft Windows XP Media Center Edition 2005 Update Rollup 2
    • Microsoft Windows XP Tablet PC Edition
Keywords: 
kbautohotfix kbvistasp1fix kbexpertiseinter kbqfe kbHotfixServer KB939941

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