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A script error occurs in Internet Explorer 6 when you view a Web page that includes a script that is transmitted by using HTTP compression, and the URL that points to the script includes a non-ASCII character

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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:
256986 Description of the Microsoft Windows registry
When you view a Web page in Microsoft Internet Explorer 6, a script error occurs.

This problem occurs if the following conditions are true:
  • The Web page includes a script that is transmitted by using HTTP compression.
  • The URL that points to the script includes a non-ASCII character.

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: 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.


There are no prerequisites.

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 1
File nameFile versionFile sizeDateTime
Urlmon.dll 6.0.2800.1577 463,87208-Sep-200618:06
Windows XP with Service Pack 2
File nameFile versionFile sizeDateTime
Urlmon.dll 6.0.2900.2992 615,93608-Sep-200613:02

How to enable the hotfix

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.

To enable this hotfix, enable the FEATURE_URLMON_DECOMPRESSION_USES_WININET_URL2_KB924533 registry subkey. You can modify the registry settings for an individual user or for all users. To do this, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate one of the following registry subkeys:
    To modify the settings for an individual user:
    HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl

    To modify the settings for all users:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
  3. Right-click FeatureControl, point to New, and then click Key.
  5. Right-click FEATURE_URLMON_DECOMPRESSION_USES_WININET_URL2_KB924533, point to New, and then click DWORD Value.
  6. Type iexplore.exe, and then press ENTER.
  7. Right-click iexplore.exe, and then click Modify.
  8. In the Value data box, type 1, and then click OK.
  9. Exit Registry Editor.
To work around this problem, use one of the following methods.

Method 1: Clear the HTTP 1.1 settings

  1. In Internet Explorer 6, click Tools, and then click Internet Options.
  2. Click the Advanced tab, and then click to clear the following check boxes:
    • Use HTTP 1.1
    • Use HTTP 1.1 through proxy connections

Method 2: Rename the script

  1. Rename the file name of the script so that the file name does not contain non-ASCII characters.
  2. Update the URL to point to the script that you update.

Method 3: Disable HTTP compression on the Web server

On the Web server, disable HTTP compression by changing the Web server configuration.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information
For more information about the terms that are used to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
gzip deflate

Article ID: 924533 - Last Review: 01/16/2015 09:25:22 - Revision: 3.0

Microsoft Internet Explorer 6.0

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