Microsoft KB Archive/267991

= FIX: &quot;Content-Disposition: Attachment&quot; Fails for Known Content Types =

Article ID: 267991

Article Last Modified on 5/11/2006

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APPLIES TO


 * Microsoft Internet Explorer 5.5

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This article was previously published under Q267991



SYMPTOMS
Despite the &quot;Content-Disposition: attachment&quot; HTTP response header, Internet Explorer does not prompt the user to save the file and instead automatically displays the file in the browser.



RESOLUTION
To resolve this problem, obtain the latest service pack for Internet Explorer version 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

276369 How to Obtain the Latest Internet Explorer 5.5 Service Pack



STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Internet Explorer version 5.5 Service Pack 1.



MORE INFORMATION
Not all content types are affected by this bug. Only default content types such as HTML and text files fail to show a File Download dialog box.

Steps to Reproduce Behavior
The following Active Server Pages (ASP) page reproduces the problem: <%@ Language=VBScript %> <% Response.AddHeader &quot;Content-Disposition&quot;, &quot;attachment&quot; %> This text should not appear in the browser window automatically. Internet Explorer should prompt the user first with the option to save the file.

