Silently uninstall older version of Firefox

I need to create a wise package to check for older version of Firefox then uninstallt them. For the newer version, I can use the -ms switch to do silent uninstall. But for older version like ver 3.6.17, this switch doesn't work. What is the silent uninstall switch for older Firefox version?

This says:
Silent uninstall:
All version of Firefox
<path to setup executable> /S
See https://wiki.mozilla.org/Installer:Command_Line_Arguments

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I need to obtain an older version of firefox.. 4.0 is not compatable with my roboform. i need to uninstall it and reinstall the latest 3. something to get it to work right.

Question
I need to obtain an older version of firefox.. 4.0 is not compatable with my roboform. i need to uninstall it and reinstall the latest 3. something to get it to work right. where can i get the older version?

Get an update from Roboform.

How can I get back to an older version of Firefox? I have an add-on that is not compatible with version 5.0 but I need it !

I have installed Firefox 5.0 but this version does not work with some of my add-ons.
There are no new versions of the add-ons yet.
I want to uninstall Firefox 5.0 and install an older version of Firefox.
How do I do that?

The latest versions of Firefox require at least Mac OS X 10.5 and an Intel processor. You can revert to Firefox 3.6.xx for Mac 10.4 by downloading the installer from http://www.mozilla.org/en-US/firefox/all-older.html
More information in the [[Firefox will not start]] article, under
[https://support.mozilla.com/en-US/kb/Firefox%20will%20not%20start#w_firefox-will-not-start-4on-os-x-10-4-or-earlier-or-with-a-powerpc-processorsf5on-windows-98me-or-earliersf Firefox will not start on OS X 10.4 or earlier or with a PowerPC processor]

Do I need to remove the older version of firefox before installing a new version? If so, then how much do I remove, and how?

I have an older version of Firefox and adobe on a Sony VAIO. I keep getting pop-ups telling me to upgrade, and also frequent failures when I try to use the browser. I try to upgrade. I go thru the download step, then try the run step and get a message "not allowed". I have checked and I have admin privileges, and I've turned off the firewall security software thinking that it's blocking the install, but nothing works. Does anyone know if the older software is causing this and does it need to be removed before the latest version can go on. Also, if this problem is resolved am I going to have the same problem with Adobe?

What Firefox version is currently installed on the computer?
You can find the full version of the current current Firefox release (37.0.2) in all languages and all operating systems here:
*https://www.mozilla.org/en-US/firefox/all/
If you have a very old Firefox version then you could consider to uninstall that version to clean up existing registry keys (especial the uninstall key).
Make sure NOT to remove "personal data" when you uninstall Firefox, because that will remove all profile folders and you lose personal data like bookmarks and passwords including data in profiles created by other Firefox versions.
Check the Firefox program folder and remove the Firefox program folder if there are still files left in it.
*(32 bit Windows) "C:\Program Files\Mozilla Firefox\"
*(64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"
It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
*http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure NOT to remove personal data when you uninstall Firefox as that will remove all Firefox profile folders and you lose your personal data.
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Profile_backup
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

I need to reinstall the older version of Firefox since 4 doesn't work with my laptop - where is it?

I updated to 4 but now it won't open. The install replaced my older version of Firefox. I can't figure out how to uninstall 4; and will that make my older version available again? If not, is it available for download on the Mozilla website?

There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

Should I uninstall previous versions of Firefox?

Should I uninstall previous versions of Firefox? I found 4 versions of Firefox in my control panel/programs & features. The latest version is 5.0.

Quite honestly, unless you installed Firefox into a different Program Files folder yourself every time you installed a new version of Firefox, I doubt if those older versions are still installed. Don't '''Remove''' anything until you can verify that the older versions are in fact still there, by "touring" the Program Files set of folder thru the Windows Explorer file interface ''(not to be confused with the Internet Explorer web browser)''.
When Firefox is updated, it installs the new version in the folder where the old version was. And, the Firefox installer uses the same folder all the time, except for the 4.0 beta versions and when the user does a '''"Custom"''' installation & selects a different folder than normal for Firefox.

Retrieving Missing Sync Settings When Upgrading From an Older Version of Firefox to the latest version.

I initially set up my Sync account using an add-on for an older version of Firefox and have since upgraded to the latest version. But now my browser acts as if I don't have a sync account set up at all. When I attempt to create a new account, it says that my email address is already being used which tells me that my sync information is still on the the servers. So how do I retrieve my sync settings when settings are missing within my browser?

I resolved the problem in Snow Leopard by logging out of my (admin) account and logging into my daughter's account on the same machine. She doesn't have admin privileges, so when I tried to install Firefox 4 in her account, I had to authenticate with my admin identity and PW. Installation went smoothly after that. My guess is that you could also simply create a new account on the same machine and install Firefox 4 from that. I have no idea why this works.

When we installed Firefox 4.0, found it is not compatible with Trend Micro. How can I go back to the older version of Firefox until Trend builds a compatible version??

On add-ons manager, I see that Trend Micro NSC Firefox Extention 6.5.0.1234 is not compatible with Firefox 4.0.1. I have contacted Trend and been told that their builders have not yet created a product that is compatible. I think this means that I should revert to an older version of Firefox until my internet security is updated. How do I do this? I'm clueless. :) Or, is there a better solution?

http://support.mozilla.com/en-US/kb/Installing+a+previous+version+of+Firefox
http://www.mozilla.com/en-US/firefox/all-older.html

With an older version of Firefox, we were able to search for sites and be forewarned about dangerous sites with warning icons. How can we enable the icons to appear again?

Recently our Office Depot Tech switched us from an older version of Firefox to the current version. For the last two years, we were able to search for sites on Yahoo and icons would appear. The icons would suggest that a site is unsafe to click onto because a red triangle with an exclamation point would appear. These icons no longer appear since the Tech switched us to the current version of Firefox. I want to be sure I am clicking onto safe sites. I believe the icon used to be a green padlock if the site was safe to enter.

Creative Cloud chat support (all Creative Cloud customer service issues)
http://helpx.adobe.com/x-productkb/global/service-ccm.html ( http://adobe.ly/19llvMN )

Firefox version 4 does not work with Mac OS 10.4.11. Is there a fix for this? Alternatively, how do I download an older version of Firefox that will work?

I have a an older IMAC as a second computer. I replaced an older version of Firefox with the new update. I had to do this because Firefox gave me a message that the older version would no longer work. The new version 4.0 will not open even after it is put in the applications folder. I get a message that says this version is not compatible with my Operating system. I don't want to change the OS at the moment.
Can anyone help? I'd like to just download an older version of Firefox if that is the only way to make this work, but I can't find an older version on the website.
Thanks very much.

http://www.mozilla.com/en-US/firefox/3.6.13/releasenotes/
Had the same problem; would have been nice if they had told s that we need an intel processor on our older Macs! I am up and running again.

I'm using an older iMac G5 (PowerPC) with Firefox and MacOs 10.5.8. I no longer am able to watch video clips because Firefox recently auto-updated to 3.6.24; is there an older version of FireFox that would work with my PowerPC, and where do I find it

I used to be able to watch video clips off a streaming website, but it's been getting more difficult and now it no longer works. I suspect that my older Power PC G5 Mac is not compatible with the newer Firefox version of 3.6.24. I suspect that if I used an older version of Firefox with my system, I could get back to watching video clips. Would this work, and if so, where can I download an earler version of Firefox that would be compatible with my Mac and MacOs 10.5.8?

You might want to consider extending the lifespan of your G5 by using a different operating system. I put [https://en.wikipedia.org/wiki/Lubuntu Lubuntu] on a G5 recently and it runs the newest Firefox just fine. Lubuntu (pronounced Loo-boon-two) is sort of an Ubuntu lite - a user-friendly version of Linux. There are many applications to choose from, and it's all free.
The PowerPC I did this on was one of the old Bondi Blue ones. Firefox had no problem running on it at all and has all plug-ins needed for video, audio, etc.. I gave it to a church and it's running fine for them.
You can download old versions of Firefox, but you'll just open yourself up to security problems if you do.
FYI: The Mac operating system is built on Linux.

My Yahoo toolbar is gone requiring me to press the back button thru all of the pages I've viewed to get back to my homepage. AND more importantly I can no longer use Kodak Gallery. How do I return to an older version of Firefox?

The recent version of Firefox apparently does not support/permit me to see/use the Yahoo toolbar. Therefore, I have to manually page back thru all of the yahoo pages I've visited to get back to the main page.
Also the recent version of Firefox apparently is not compatible with Kodak Gallery's functions; therefore use of my many photo albums stored online is no longer available.
Apparently I need to go back to an older version of Firefox or use another browser.

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

How do I get and install an older version of Firefox to run on my Mac 10.4.11?? I mistakenly installed a new version that overrode my older version which isn't suitable for my Mac.

We get a message that says "You cannot use the application 'Firefox.app' with this version of Mac OS X.
How do I reinstall an older version of Firefox that works on our Mac??

For older Macs that aren't supported in Firefox 4+ versions, try TenFourFox for PowerPC's running Mac 10.4.11 & 10.5.8 . <br />
http://www.floodgap.com/software/tenfourfox/<br />
http://tenfourfox.blogspot.com/ <br />
https://code.google.com/p/tenfourfox/wiki/PluginsNoLongerSupported

How do I get back my older version of Firefox? The new version sux.

I loved the older version of Firefox. I also had a Yahoo toolbar, a MyYearbook tool bar and a Stumble Upon extension. When I "upgraded" to the new 4.0 Beta version, all of those disappeared.
I got a notice that said the new version of Firefox is not compatible.
If it's not compatible, then I don't want it, but I seem to be stuck with it. How do I get my older version back again??

If you resaved the file and changed its name it is wherever you saved it to.
If you changed the name of the open file then that is your only copy.
You can go back to previous versions by various methods. In Pages 5 it is:
Menu > File > Revert
Peter

It will not run on Mac OSX 10.5.8, on a G% dual 2.0ghz, now my older version of Firefox is gone...

I downloaded Firefox 4.0 and It will not run on Mac OSX 10.5.8, on a Mac G5 dual 2.0ghz. Now my older version of Firefox is gone...Why won't it work, the download page says it is for OSX and does not say it will not work on any particular OSX. Can your clarify. And can I get the old Firefox 3 back or should I continue using Safari....?

Yes I've read every one of them, none of them provide solutions whatsoever, I have spent about ten hours on this site in the past two days to no avail, none of the "resolved" threads provided any sort of solution for me, I have tried everything suggested on this website so far, multiple times, to no avail.

Silently uninstall older version of Firefox

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