Firefox how to reset download file to open with

For help with embedded media on web pages, see Fix common audio and video issues. For help changing the e-mail program that Firefox uses, see Change the program used to open email links. Table of Contents 1 Download actions 2 Changing download actions 3 Adding download actions 4 Resetting download actions for all content types. Note: Firefox will not be able to properly handle a file download if a misconfigured web server sends it with an incorrect Content type.

For example, Firefox may display the content as plain text instead of opening the file in an application or asking you what to do. You can contact the website in such cases or you can try a Firefox add-on such as Content-Type Fixer to work around the problem.

If you decide to use an add-on and you need help with it, you should visit the add-on site or contact the add-on developer directly for support.

This will quit and reopen Firefox, with the following changes: [1] X Research source All your extensions, themes, and added search engines will be deleted. All settings will be restored to their original state. This includes button placement and plugin preferences. Your download history will be cleared, so make sure you know where to find your downloaded files. Delete your old data. Mozilla recommends that you delete the folder on your desktop called "Old Firefox Data.

Method 2. Open Firefox in Safe Mode. If this doesn't work, search your computer for a "Mozilla Firefox Safe Mode " shortcut. Hold the same key while you choose a profile. If a list of profiles appears, hold down the same key while clicking your profile. This will only happen if you have more than one profile. Select Refresh Firefox. Before the Firefox browser window appears, a popup with two items should appear. Select Refresh Firefox to reset your settings and delete all add-ons.

This is a permanent change. Alternatively, select Start in Safe Mode to see if that solves the problem for this session. If it does, try disabling some add-ons and restarting Firefox normally. If it doesn't, start again in safe mode and reset Firefox. Method 3. Blank Details. Article ID: Could you try copying your old mimeTypes. You can open your new profile folder quickly using:.

Regarding the prefs. I think mine suggests whatever I did last for the same type of content, but I haven't paid close attention. I'm out of time to address the problem with "do this automatically" but there is one suggestion for why it could be grayed out in this article: Change what Firefox does when you click on or download a file.

Is it possible you had a download-related extension before? To compare settings and extensions, please retain the Old Firefox Data folder on your desktop. Aside from checking the extensions in there, it would be interesting to run a text file comparison on your currently active prefs.

This is where I set the download folder location. Click the menu button and select Settings. If you have tried the above suggestions, you can restore the default Firefox download folder settings:. To fix the problem, open Safari's Preferences and change the Save downloaded files to: setting to a valid folder such as your Desktop.

Then restart Firefox. Change the folder properties and try again, or try saving in a different location. If downloading certain file types does not work, check to make sure Firefox is not set to handle those file types differently from others. See Change what Firefox does when you click on or download a file for instructions on how to view and change how different file types are handled.