[Bug 239952] Re: firefox - the associated helper application does not exist

[TJ]

Thanks Hew.

What happened to the same file beforehand?

Also, do you have Live HTTP Headers installed
(http://livehttpheaders.mozdev.org/) ? If so, can you capture the HTTP
*response* from the server that contains:

content-disposition:
Content-Type:

Forexample, for the page
http://ubuntuforums.org/showpost.php?p=5755405&postcount=7  that will
look like this:

HTTP/1.x 200 OK

Date: Wed, 17 Sep 2008 18:03:37 GMT

Server: Apache/2.0.55 (Ubuntu) PHP/5.1.2

X-Powered-By: PHP/5.1.2

Cache-Control: max-age=31536000, private

Vary: User-Agent

X-UA-Compatible: IE=7

Expires: Thu, 17 Sep 2009 18:03:37 GMT

Last-Modified: Tue, 09 Sep 2008 12:59:04 GMT

Etag: "84692"

Accept-Ranges: bytes

content-disposition: attachment;
filename*=ISO-8859-1''test4%20with%20space.txt.gz

Content-Length: 53

Content-Type: unknown/unknown

X-Cache: MISS from feijoa.canonical.com

X-Cache-Lookup: MISS from feijoa.canonical.com:8800

Via: 1.0 feijoa.canonical.com:8800 (squid/2.6.STABLE18), 1.1
ubuntuforums.org

Keep-Alive: timeout=15, max=100

Connection: Keep-Alive


Also, because everyone collects a set of personal handling preferences in the ~/.mozilla/firefox/${PROFILE}/mimeTypes.rdf which will affect how the attachment is dealt with, can you test the same file in a new clean profile (start Firefox from a command-line with "firefox -ProfileManager").

-- 
firefox - the associated helper application does not exist
https://bugs.launchpad.net/bugs/239952
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