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Binary files won't open since I upgraded Firefox for my mac.

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Ever since I've updated my Firefox for my mac, I can't open Binary files. Example: When I click on an email attachment a window opens - You have chosen to open

                                                                           "File Name"
                                                                           which is a: Binary File
                                                                           from: http:/where.ever
                                                                         Would you like to save this file?
                                                                                      

When I chose "save file" my "downloads" window would pop up but the file would not be there. I was able to remedy that problem to the point at which the file would show up in the "downloads" window but when I attempted to open the file I would get:

                       ! Couldn't open the file.  It may be corrupt or a file format that Preview 
                         doesn't recognize.

So far this has happened with all Binary files I have attempted to open since my Firefox update.

Never had this problem before.

This happened

Every time Firefox opened

== I updated Firefox

Ever since I've updated my Firefox for my mac, I can't open Binary files. Example: When I click on an email attachment a window opens - You have chosen to open "File Name" which is a: Binary File from: http:/where.ever Would you like to save this file? When I chose "save file" my "downloads" window would pop up but the file would not be there. I was able to remedy that problem to the point at which the file would show up in the "downloads" window but when I attempted to open the file I would get: ! Couldn't open the file. It may be corrupt or a file format that Preview doesn't recognize. So far this has happened with all Binary files I have attempted to open since my Firefox update. Never had this problem before. == This happened == Every time Firefox opened == I updated Firefox

Alle svar (2)

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Exactly the same problem. It doesn't happen with Safari. Seeking help before I abandon Firefox!

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Same deal. This is a new message I've been getting:

You have chosen to open "File Name" which is a: Binary File from: http:/where.ever Would you like to save this file?