Re-install previous version of firefox instructions dont work

I upgraded to firefox 4 then found it was not compatible with some of my other software. I am trying to return to the prvious version. When I did the install it appeared to work until I got to launch firefox now - the launch did not happen. On my desktop was a generic icon that said mozilla ( not the normal icon) - when I clicked it I got message searching for firefox exec. I tried removing the program and alkl related files. Can you tell me how to restore the previous version - I tried to follow some instructions I found but the link was no good. Thanks

http://discussions.apple.com/thread.jspa?threadID=2456425&tstart=15

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Can I load the previous version of Firefox instead, it worked with a site I need and 4.0 does not?

I have a training website for work that used to run just fine on the old firefox. 4.0 will not run it. My company is aware but doesn't really care to fix the glitch. So, I need the old version back.
Thanks.
Craig

You can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

How do I roll-back to the previous version of Firefox? An auto update occurred and now one of the programs used at the office (ACT! v6.0 SwiftMail) won't run with the browser.

The office I work in uses a very old version of ACT!, an accounting package. This package has a component called SwiftPage, an antiquated email system that enables us to email from the ACT DB. SwiftPage runs via the web browser.
Firefox just did an auto update (that I will have to find out how to turn off) and now SwiftPage won't run as it is not compatible.
Can I "roll-back" my version of Firefox or do I have to uninstall and try to re-install an older version?
HELP!

Try loading and using the add-on from this link: https://addons.mozilla.org/en-US/firefox/addon/add-on-compatibility-reporter/
Many add-ons do in fact work if you force them to run. The procedure to roll-back is given in this article: [[installing previous versions of firefox]]
Unfortunately the official Firefox policy is that you downgrade to 3.6 which is supported for a while longer, and not the now unsupported Firefox 4. If after installing and running the ''add-on compatibility reporter'' you still have problems there are ways around the official policy.
I think it is absurd that Firefox 4 may be used by tens of millions of users one day and a few days later those that upgrade to Firefox 5 should be not only told not to use a now unsupported browser, if they need to revert due to problems, but are actually obstructed in attempts to do so. See also [/questions/840397#answer-205154]

The college uses, E-bray, to read the E books from the library. The previous version of Firefox worked great with the plugin. When I upgraded to the next version of Firefox now the plugin will not work.

E-bray is a reader that allows me to easily read the college's Library's selection of electronic media. I am running version 5.0 of Firefox and the other version worked fine. It may have been version 3, I think. I have version 3 in my download. Can I load this version back onto my lap or will this really mess things up?

Try loading and using the add-on from this link: https://addons.mozilla.org/en-US/firefox/addon/add-on-compatibility-reporter/
Many add-ons do in fact work if you force them to run. The procedure to roll-back is given in this article: [[installing previous versions of firefox]]
Unfortunately the official Firefox policy is that you downgrade to 3.6 which is supported for a while longer, and not the now unsupported Firefox 4. If after installing and running the ''add-on compatibility reporter'' you still have problems there are ways around the official policy.
I think it is absurd that Firefox 4 may be used by tens of millions of users one day and a few days later those that upgrade to Firefox 5 should be not only told not to use a now unsupported browser, if they need to revert due to problems, but are actually obstructed in attempts to do so. See also [/questions/840397#answer-205154]

Developerproblem: i cant get the onkeyup event to work on the body tag in firefox how can i do this? this used to work in previous versions of firefox

i made an application using DOM and i am using extensively keyup events in the body tag
in previous versions of firefox this was working fine
but now it doesnt
events that do not work for body tags that i have used are
onKeypress
onKeydown
how ever the event does fireup if the html element are of input types (e.g. textboxes, images, etc)
how do i address this problem?

A good place to ask advice about web development is at the MozillaZine "Web Development/Standards Evangelism" forum.
*http://forums.mozillazine.org/viewforum.php?f=25
The helpers at that forum are more knowledgeable about web development issues. 
You need to register at the MozillaZine forum site in order to post at that forum.

I Beta tested 4.0 RC1 and now can not upgrade to 4.0. Error message is need to reboot to complete prior instalation. Have removed all previous versions of Firefox, rebooted and still same error message.

I Beta tested up to and including 4.0 RC1 without major problems. However I can not now upgrade to 4.0. Same error message time and again, "need to reboot to complete prior upgrade instalation". I rebooted several times, then tried first removing all previous versions of Firefox using both MS Add/Remove and then iolo System Mechanic, then again downloading 4.0. Even after rebooting same error message. I can not therefore install/use Firefox.

Do a clean (re-)install:
* Download a fresh Firefox copy and save the file to the desktop.
* Firefox 4.0: http://www.mozilla.com/firefox/all.html
* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data if you uninstall the current version.
* 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.
Your bookmarks and other profile data are stored elsewhere (not in the Firefox program folder) and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

After upgrading to firefox 7, I can't use many of the features on my schools secure website. So, how do I install a previous version of firefox?

After upgrading to firefox 8, I can't use many of the functions on my schools website like opening the textbook and sending emails. I spoke the school's tech. support & they informed me that my version of firefox was not compatible with their system. So, how do I install a previous version of firefox (firefox 6 to be exact)?

You can download Firefox 6.0.2 for Mac OS X 10.5 from ftp://ftp.mozilla.org/pub/firefox/releases/6.0.2/
Backup your '''Profiles''' folder before new installation.
edit: replaced random third-party download site link.

Firefox 4 wont even start up now. how do i uninstall firefox 4 and install previous version

want to know how to uninstall firefox 4 and install previous version. also where to get download of previous version

Your problem is caused by the Ask Toolbar which you have installed. There are compatibility issues between Ask and Firefox at the moment.
Please do the following to ensure a clean installation. 
#Use Internet Explorer to download Firefox 4.0.1 from this link: [http://www.mozilla.com/en-US/firefox/fx/?ref=logo Download Firefox 4.0.1] and choose "'''Save'''" when you see the prompt. Then save it to your desktop. ''Do not choose "Run"''. 
#Then go to Add/Remove Programs, scroll down to "Mozilla Firefox" and remove it, choosing to keep your bookmarks, customizations etc., (''don't checkmark the box''). 
#Then reboot and delete the folder called "Mozilla Firefox" at this location: C:\Program Files\Mozilla Firefox 
#Finally run the installation file you downloaded to the desktop earlier. 
Your bookmarks, customizations etc., are maintained in a different location and will become available to you again once you complete the installation. 
Next, click the Firefox button and go to Add-ons, then Extensions. Find the Ask Toolbar in there and click "Remove".
If you would still prefer to use the previous secure version, use this download link instead of the one to v4.0.1: [http://www.mozilla.com/en-US/firefox/all-older.html Download Firefox v3.6.17] Otherwise the installation procedure and removal of the Ask Toolbar is the same.

There is a compatability issue between Firefox 5.0 and Java on Mac computers. How can I uninstall Firefox 5.0 and install a previous version of Firefox?

I cannot find a previous version of Firefox to install. Please tell me how to get it. Thank you

https://support.mozilla.com/en-US/questions/844734

I woluld like to install a previous version of firefox

the problem is that I have a bank account with banco de Venezuela in Venezuela and to be able to make certain transactions I have to create a certificate and I can only do it with previous version of firefox which is 3.6 what can I do to go back to that version because I have version 8 installed.
I will be waiting for your answer, thank you.

You can install the portable Firefox 3.6.x version to access websites that do not work with Firefox 5+.
*http://portableapps.com/apps/internet/firefox_portable#legacy
*http://portableapps.com/apps/internet/firefox_portable/localization#legacy36

Version 4 will not open a .ft3 file by using the Fronimo software installed on my computer; all previous versions of Firefox would open the file.

I frequently us a website called gerbode.net. This site has many files with the extension of .ft3. These files can be opened with a program called "Fronimo" which I have on my computer.
All the previous versions of Firefox would open these files directly from the website by using my software...no longer. Actually, Firefox partially opens the text portion of the file. Internet Explorer still opens the files just fine. ''''''I would rather not use Internet Explorer'''''' as I have been a faithful Firefox user for years.

Going to Help>About, what version is listed?

I just updated to the latest version of Firefox and now I can no longer download facebook videos with realplayer as I formerly could. How can I downgrade to my previous version of Firefox?

Question
I just updated to the latest version of Firefox and now I can no longer download facebook videos with realplayer as I formerly could. How can I downgrade to my previous version of Firefox?

Many thanks b Noir
This is a copy of ONEof the keys in the registry I changed as told by Apple support today. I also have changed others as instructed by GEAR software support to manually delete GEAR drivers (that I had installed but couldn't delete some of the others they mentioned from Windows system 32. Then some bright spark at work told me I need the Gear drivers so I downloaded the software and installed again.
Sorry, just this minute went to insert image and it is giving me a message saying this sort of content is not allowed?.
The most recent key I altered is in: HKey _local _machine. System\class - 4D36E965-E325-11CEBFC1-08002BE10318. Upper Filter data: Upper filter NTIDrvr SiRem GEARAspiWDN.
The GEARsoftware info about manually deleting GEAR drive is from:
http://www.gearsoftware.com/wiki/index.php?title=DRIVERS:_Windows_-_Updating%2C_ removing%2C_64_bit_versions%2C_etc
I hope you can help

I upgrade from the previous version to Firefox 4.o, I can no longer connect to my work HTTPS website.

The site I connect to is my citrix account at work, which needs a certificate. I could connect with the previous version of Firefox (3.6). When I upgraded the browser I got the errors mentioned earlier. I changed the setting for the specific setting from false to true. I still unable to connect and got a different error. Could someone please help! Thanks - Aldo

If you used the option to delete settings, or whatever it is worded when uninstalling, Firefox will remove all your important data information from profiles for all installed versions of Firefox, and you will then need luck and a file recovery utility to try to restore the information.
You mentioned files being moved to Trash, I was hoping you may still have the required original files. I use Windows XP, and I realise Macs use different locations for files, but I think the files have the same names.
See
*[[profiles]]
*http://kb.mozillazine.org/Password_Manager
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Recovering_a_missing_profile
*[[lost bookmarks]]
Note the last article discusses problems when bookmarks are lost, and some of the possible reasons and solutions. Obviously I do not know what has actually happened in your case, and whether or not you used the delete option I initially mentioned.

My computer freezes when I try to log in to You Tube and is still "running" after I close it. How can I go back to my the previous version of Firefox?

After downloading Firefox 4 Beta, my personal website does not display as it used to. The text is now aligned left when it was centered. Also, when I try to log in to You Tube, everything freezes. I have to use the computer task manager to close the browser. When I try to open Firefox again, I get a message stating it is still running and I must close it or re-start my computer to open Firefox again.
I would like to return to the previous version of Firefox.

You can get duplicate installation disks from Apple Customer Service. You will have to provide them with the MBP serial number and there is a charge,
Another option is to purchase the Snow Leopard retail disk from the Apple online store:
http://store.apple.com/us/product/MC573Z/A/mac-os-x-106-snow-leopard
Either option should allow you to install an OSX.
Ciao.

How do you downgrade to a previous version of firefox?

How do you down grade to a previous version of Firefox on an Android Phone? Current versions of Firefox no longer work with our WIFI network. Starting sometime around version 33 or 34 we started noticing that while using WIFI, Firefox would freeze every minute or two. Basically it would start to load a page then the progress bar would stop about 1/6th of the way across the screen. If you wait several minutes the bar would continue to about 5/6th of the way across the screen and then stop and not continue to load the page. If you turn WIFI off and then back on, Firefox will again work for a minute or two then freeze again. The timing is very specific and is not bound by a number of clicks. It also happens on all websites. The problem is not with the WIFI network because all programs including Chrome and the Android Browser work fine with WIFI. Also previous versions of Firefox work fine with the WIFI. We have the problem across several phone and manufacture types as well as across Android versions. We also did not have the freezing problem during a time of lower WIFI usage. So the problem specifically has to do with using newer versions of Firefox on a busy WIFI network. Because it may take time to fix these issues in Firefox we would like to downgrade to a previous version of Firefox that we know works with our WIFI network.
Thanks for your help!
Ken

Hi Roland
Here are the answers to your questions:
What models of Android tablets and phones are you using?
Samsung Note 4 (running Android 5.0.1), Samsung Rugby Pro (Running Android 4.1.2), Galaxy S5 Active (running Android 4.4.4) & Kyocera-E6560 (Running Android 4.4.2). There are others, but these are the ones I have access to right now.
What version of Firefox for Android are you using?
I started noticing the problem with version 34 on. It could have started with earlier versions but I first noticed it with version 34--we did a large phone upgrade and installed version 34 which was the current version at the time. I just tried 37.02 and am still having the problem.
As a side note I have an old Samsung note 1 (on Android 3.0.8). It is running Version 17 of Firefox and does not have the same problem.
Steps to reproduce: What did you do exactly, what happened and what did you expect?
For instance if I do a Google search trying to research something I type in the search hit and hit go. I then click on a link in the search and let the page load. Look at the page to see if it has the answer I need. Then hit the back button and repeat the process with the next link. After about 1.5 to 2 minutes Firefox starts to load the page then the progress bar freezes about 1/6th of the way across the screen. If you wait several minutes the progress bar generally will continue to about 4/6th or 5/6th of the way across the screen then freeze again. If you turn WIFI off then on again Firefox will work for another 1.5 to 2 minutes and freeze again.
Same thing happens if you are on a web page clicking through links on the page. The problem occurs on all web pages.
Also more details on your wifi network would be helpful:
Hmmm, this is a difficult one--I work at the University of Washington, but not with the IT department that manages the technology infrastructure. So I don’t have a lot of technical details. Basically (among other jobs) I do the phone support for the Campus maintenance division. I support 250 to 300 users. While I do not have a lot of the specifics I will do my best to give you a general idea.
The best way to think of the UW is a small city. We have about 45,000 students and somewhere between 20,000 to 30,000 staff plus visitors. On any given day we can have 80,000 to 90,000 people on campus all of which are capable of using the WIFI network. So when I say we have a high volume WIFI network it is extremely high volume.
I noticed the problem with Firefox before and after spring break, but did not have the problem during spring break. WIFI usage would have been way down during this time because there would have been fewer people on campus. So the problem only seems to occur when volumes are very high.
I had a meeting with a UW-IT rep several months ago and he explained that the 2.4 network was near capacity some places on campus, but the 5.0 network had plenty of bandwidth on it. I think most of the phones I have been using work on the 2.4 network, but the Note 4 works with the 5.0 network also and has the same problem. Additionally all other programs work fine with WIFI so I do not think capacity is the issue.
Also I know Firefox itself is not the issue because it worked during spring break and it works on the cellular network. So some combo of the high volume network and Firefox seems to be creating the problem. Maybe has to do with how Firefox handles things when capacity is reached or exceeded.
As another side note I did not have the problem with my home network, but I was only using 2 phones at the time.
It sounds like you are technical since you have done so much testing. Please file a bug with the steps to reproduce at:
I have some technical skills, but really I am just good at research. I will do my best with the bug report :)
As for downgrading (which we DO NOT recommend & support since older versions don't have security fixes!) you can install an old nightly from:
I will try to work my way back to see if I can figure out what version of Firefox the problem started with.
Please let me know if you have any ideas or need any additional info.
Thanks!
Ken

Re-install previous version of firefox instructions dont work

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