Microsoft KB Archive/925832

= FIX: Error message when you browse a file that uses a custom MIME type in Internet Explorer 6 and Internet Explorer 7: &quot;The file you are downloading cannot be opened by the default program&quot; =

Article ID: 925832

Article Last Modified on 11/15/2007

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APPLIES TO


 * Microsoft Internet Explorer 6.0
 * Windows Internet Explorer 7 for Windows XP
 * Windows Internet Explorer 7 for Windows Server 2003
 * Windows Internet Explorer 7 in Windows Vista

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Important This article contains information about how to modify the registry. Make sure to 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



SYMPTOMS
Consider the following scenario:
 * You are using Microsoft Internet Explorer 6 or Windows Internet Explorer 7.
 * In Internet Explorer, you browse a file that uses a custom MIME type.
 * The MIME handler for the custom MIME type is registered.

In this scenario, you may receive the following error message:

The file you are downloading cannot be opened by the default program. It is either corrupted or has an incorrect file type.



Hotfix information
A supported hotfix is now 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 service pack that contains this hotfix.

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

Registry 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 your 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 add the FEATURE_REPORT_CACHEFILE_KB925832 registry entry to turn on the fix. To do this, follow these steps:  Click Start, click Run, type regedit, and then click OK. Locate and then click the HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl registry key. On the Edit menu, point to New, and then click Key. Type the following key name, and then press ENTER:

FEATURE_REPORT_CACHEFILE_KB925832

 On the Edit menu, point to New, and then click DWORD Value. Type the following value name, and then press ENTER:

iexplore.exe

 Right-click iexplore.exe, and then click Modify.</li> Type 1, and then click OK.</li> Exit Registry Editor.</li></ol>

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 Internet Explorer 7 for Windows Server 2003 IA-64
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WORKAROUND
To work around this problem, you can open the file by using one of the following methods:
 * Save the file on the computer, and then open the saved version of the file.
 * Set the iexplore.exe DWORD value to 0 in the following registry subkeys, and then open the online version of the file:

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

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MORE INFORMATION
For more information about how Internet Explorer handles MIME types, visit the following Microsoft Web site:

http://msdn2.microsoft.com/en-us/library/ms775148.aspx

For more information about software update terminology, 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

Keywords: kbbug kbfix kbregistry kbqfe kbpubtypekc kbwinxppresp3fix kbhotfixserver KB925832

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