Such software may not be essential for your security but, if outdated, may interfere with the use of Firefox or cause Firefox to crash. In the Menu bar at the top of the screen, click Firefox and select Preferences. Click the menu button and select Options Preferences. Click the menu button and select Settings. Instead of downgrading to an older, insecure version of Firefox and changing your update settings, you should consider these alternatives:.
Install Firefox Extended Support Release. Firefox Extended Support Release ESR is an official version of Firefox developed for large organizations, such as universities and businesses, but it can also be used for personal computers.
Firefox ESR does not come with the latest features but it does have the latest security and stability fixes. Use the latest version of another browser. If you are not satisfied with the current Firefox version or it simply is not working right now, there are alternative browsers that you can use to browse the web.
Grow and share your expertise with others. Answer questions and improve our knowledge base. Search Support Search. Home Firefox Download, install and migration Install an older version of Firefox. Warning: Firefox now includes downgrade protection to prevent corruption of user profile data.
If you install an older version, you'll be prompted to create a new Firefox profile. Table of Contents 1 Installing a previous version doesn't fix most problems 2 I still want to downgrade — where can I get the previous version? Note: Other problems can be solved with the Refresh Firefox feature.
It restores Firefox to its default state while saving your essential information. When I try to download FF, it doesn't give me any option as to bit vs bit, etc. Even though I am running in bit mode, it appeared to have downloaded the bit version. Search Support Search. Home Support Forums Firefox firefox Learn More. I have the latest flash plug-in installed from adobe's website. Flash isn't working. It's not showing up on my list of installed plug-ins.
Chosen solution You can check the location and type of the other plugins. Did you try to download a 32 bit Flash plugin? You may be seeing that message only because you do not have the Flash plugin installed.
Do you have a 32 bit or 64 bit Firefox version? A 32 bit Firefox version needs a 32 bit Flash plugin. Chosen Solution You can check the location and type of the other plugins. You can check the location and type of the other plugins.
Second, you need to add any easy way to tell which version of FF one is running.
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