Files in any text-editor program, such as Notepad or WordPad on a PC or TextEdit on a Mac.Slow Firefox browsing experience is truthfully beyond annoying. For help changing the e-mail program that Firefox uses, see Change the program used to open email links.If you're using Mozilla Firefox, click the Download button. For help with embedded media on web pages, see Fix common audio and video issues. For help with download problems, see What to do if you cant download or save files. This article will describe how Firefox handles downloads for different types of files and how you can change that behavior.
Mozilla Setup Free OS SupportClose inactive tabsMozilla Firefox is a fast, light and tidy open source web browser. Mozilla Firefox (64-bit).Here we've listed some suggestions that should get your Firefox run faster. User rating:How do I install Java online for Firefox on Windows. 2011 old versions Licence Free OS Support Windows Ranking 2 in Web browsers. Firefox includes pop-up blocking, tab-browsing, integrated Google search, simplified privacy controls, and much more.The latest available update should start downloading automatically. When Firefox is active, just click on Firefox in the menu and select About Firefox. Change the time range to Everything, and you can clear all of the cookies, browsing history, downloads history, tabs, saved passwords, and even autofill values.If closing tabs and clearing the cache didn't work, it's a good idea to update Firefox and macOS to its latest versions.However, to see the whole picture, get a pro-level app, such as iStat Menus. For basic information, you can use Mac's native Activity Monitor. See what consumes hardware resourcesIf the problem persists, check for high hardware resource usage. If you see new updates for macOS, click Update and follow the restart instructions. Go to the Updates tab and wait till it shows you all the new software versions available. Just launch the App Store on your Mac.Restart Firefox each time and then try to recreate the error. In the Add-ons Manager's Plugins panel, you can select Never Activate for each plugin, then restart Firefox and see if the problem is still happening.If the problem is gone, turn the plugins back on one by one, just changing that Never Activate option back to Always Activate. To check for that, click the Menu button, and then choose Add-ons. You can reinstall a fresh copy of the plugin (from official sources only!), or just see if you can live without it.To check your extensions in Firefox, go to about:add-ons, then click Extensions in the sidebar. Mozilla then recommends you change the filename to add an X in front, which will remove the plugin. In Firefox itself, you have to type about:plugins, then find the file path for that plugin and navigate to it in the Finder. Microsoft office 2016 for mac keeps crashingLuckily, you can tell Firefox to stop loading Flash content by default, until you ask for it. Some websites use way too much Flash content, and loading and playing all of that uses up your computer's resources, especially if you keep a lot of tabs open. Stop loading Flash contentPreventing Flash content from loading automatically deserves a separate explanation. If you want to remove all your extensions and start fresh, you can click the Remove button or use the Extensions tab in CleanMyMac, which manages extensions, add-ons, and plugins from one place. Change the dropdown from Always Activate to Ask to Activate. In the Add-ons Manager, click Plugins in the sidebar, and then look for Shockwave Flash. It all takes you to the same place.) (Or press Command-Shift-A, or type about:add-ons into the URL bar. Choose Application reset and click Uninstall round buttonThere are rare cases when the "Firefox quit unexpectedly" message could be caused by the Mac security update. A better way is to use an application that's able to delete all Firefox information completely or simply reset the app, such as CleanMyMac. That will uninstall the application but keep all your user data intact, and when you reinstall a new copy, you bookmarks and passwords will still be there.But that's not the best way to do it, since Firefox leaves all kinds of data on your hard drive besides the main application file. Read on.Whether Firefox shows you an error message every time you try to launch the app or right when you're in the middle of a working session, there is only one way to fix that — reinstall the application.The easiest way to reinstall Firefox is to quit it, delete the Firefox file from your Applications folder, and download the new version from the official Mozilla website. But if you're still experiencing troubles, there is more you can do. Check your network connectionTurn your modem off and on (helps in nearly all cases). There are a few things that might cause this, so let's zero in on the problem by gradually excluding various perpetrators. Follow official Mozilla documentation to fix this issue.So your Firefox is fast and doesn't randomly quit, but still doesn't seem to load websites. Then, check the settings in your firewall by following the steps outlined by Mozilla. Launch websites in other browsersIf your WiFi network seems to be fine, it's good to check whether the connection works in other browsers, like Safari or Chrome, just to make sure that the problem in fact is with Firefox specifically. WiFi Explorer is just as easy — launch the app and click the play button to analyze the network quality around you. As soon as you launch NetSpot, make sure it's set to Discover mode, and it will scan all nearby WiFi networks automatically. Just make sure your timezone settings in System Preferences > Data & Time are configured correctly and Firefox should go back to validating the website certificate normally. Restart Firefox and the problem should be fixedIn case Firefox shows you that it has troubles validating some website's security certificate, it might be related to improperly set date and time on your system. Choose Settings and then "No proxy" and click OK In the Options, click Advanced and then Network An alert a few moments later will inform you that the process is completeCombine flushing the DNS cache with clearing out cache and cookies from Firefox, and restarting your Mac to get the best result. Press Enter and type your admin password when prompted Type sudo killall -HUP mDNSResponder say DNS cache has been flushed Hold down the Ctrl key while you click on the list of preferences. Click "I accept the risk!" to continue. The about:config "This might void your warranty!" warning page may appear. In the address bar, type about:config and press Return. To disable DNS prefetching: Usually Firefox tries to speed up loading new websites by using DNS prefetching, but it can also cause loading errors with some system configurations. The free product will however scan your Mac and safely remove any malware at no cost to you.When your Firefox is just generally behaving incorrectly, a few more tips might come in handy.
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