After updating to Firefox 5.0, my email/webmail account isn't working. How can I revert to the previous version of Firefox?

The email account that I am having trouble with is [email protected] I can't open any emails or perform any other function (purge, label, discard, view, etc) I can send an email though.

This might have been helpful if it was in English and not in German. . . at least it looks like German.

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I downloaded Firefox 4 which my iBook G4 does not support. How can I revert to the earlier version of Firefox?

A box showed up that said "this architecture does not support Firefox 4." Firefox was no longer available on my laptop. Leopard is my OS. (Highest it will go)

Do you recall whether your iBook G4 could run Firefox 3.6? If so, you can download it here: http://www.mozilla.com/en-US/firefox/all-older.html
If you were using 3.5 or earlier, finding it is a bit trickier.
You probably want to backup your profile folder before uninstalling Firefox 4. See [http://support.mozilla.com/en-US/kb/Backing%20up%20your%20information Backing up your information | How to | Firefox Help].

Some coupon sites aren't compatible with Firefox 4 so I can't print needed coupons. How can I revert to the old version of Firefox?

When I try to print coupons at coupons.com and target.com, just to name two, I get a message saying they "We're unable to support coupon printing on your system at this time. The Coupon Print Activator is supported on Windows Operating Systems 2000, ME, XP, Vista and Windows 7 when used with Internet Explorer 6.x, 7.x and 8.x, Firefox 2.x and 3.x, Google Chrome 3.x and Apple Safari 4.x and on Apple Mac OS X and above when used with Safari 2.x and 3.x or Firefox 2.x and 3.x browsers."
Does this mean I need to revert to the previous version of Firefox?

Make Firefox 4/5 look like Firefox 3.6.x:
*NOTE: Support for Firefox 3.6.x is scheduled to end soon, so we can help you find solutions for using Firefox 5.
**Also Firefox 4 support has ended (replaced by Firefox 5) and Firefox 6 is scheduled for release next week
*http://www.computertechtips.net/64/make-firefox-4-look-like-ff-3-6/
*http://blog.fligtar.com/2011/01/16/how-to-customize-firefox-4s-ui/
Other changes that you are having difficulty with? Respond with the specific items.
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''
Not related to your question, but...
You need to update some plug-ins:
*Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/
*Adobe Shockwave for Director Netscape plug-in: [https://support.mozilla.com/en-US/kb/Using%20the%20Shockwave%20plugin%20with%20Firefox#w_installing-shockwave Installing ('''''or Updating''''') the Shockwave plugin with Firefox]

Yahoo toolbar isn't compatable with ff 5.0, how do I revert to the previous version of firefox?

I just installed ff 5.0 & I'd like to go back to the previous version

See [[installing a previous version of Firefox]].
Possibly at some stage Yahoo will release an update to the toolbar so it works with Firefox again.
Update Note Yahoo toolbar is being made compatible with Firefox 5, and it was hoped to have been done by 21st June. ([/forums/contributors/707024?last=40411#post-40357 see] ) Yahoo toolbar is therefore likely to become compatible very soon, if not already.

How doI to revert to the previous version of Firefox I had before downloading the latest one.?

I miss the ease of use of the google toolbar and its features; these cannot be used with this latest version of Firefox. I was content with the previous version I was using.

Previous versions are no longer maintained for security and stability issues.
*You are risking your private information and online security when using an unsupported version.
*Only Firefox 8 and Firefox 3.6.24 are currently supported and updated.
*Support for Firefox 3.6.24 is likely to end in the first quarter of 2012.
Google decided that they will no longer produce the Google Toolbar for Firefox 5 and newer version. It is best to move on to other alternatives than to try any "hacks" to the toolbar that may or may not perform in the future. Future versions of Google toolbar will only work with IE7-9. Google Toolbar is not available on any other browser, even Google's own browser.
*http://googletoolbarhelp.blogspot.com/2011/07/update-on-google-toolbar-for-firefox.html
*http://www.google.com/support/toolbar/bin/answer.py?answer=1342452&topic=15356%29
*Google Toolbar 8 FAQ (IE only): https://www.google.com/support/toolbar/bin/answer.py?hl=en&answer=1111588
'''''To access your Google Bookmarks visit''''' www.google.com/bookmarks.
Alternatives:
*http://kb.mozillazine.org/Using_Google_Toolbar_features_without_toolbars
*https://addons.mozilla.org/en-US/firefox/addon/googlebar-lite/
*https://addons.mozilla.org/en-US/firefox/addon/gbookmarks-google-bookmarks-fo/
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''
Not related to your question, but...
You may need to update some plug-ins. Check your plug-ins and update as necessary:
*Plug-in check --> http://www.mozilla.org/en-US/plugincheck/
*Adobe Shockwave for Director Netscape plug-in: [https://support.mozilla.com/en-US/kb/Using%20the%20Shockwave%20plugin%20with%20Firefox#w_installing-shockwave Installing ('''''or Updating''''') the Shockwave plugin with Firefox]
*Adobe PDF Plug-In For Firefox and Netscape: [https://support.mozilla.com/en-US/kb/Using%20the%20Adobe%20Reader%20plugin%20with%20Firefox#w_installing-and-updating-adobe-reader Installing/Updating Adobe Reader in Firefox]
*Shockwave Flash (Adobe Flash or Flash): [https://support.mozilla.com/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox]
*Next Generation Java Plug-in for Mozilla browsers: [https://support.mozilla.com/en-US/kb/Using%20the%20Java%20plugin%20with%20Firefox#w_installing-or-updating-java Installing or Updating Java in Firefox]

How can I re-download the previous version of Firefox. I have lost most of my add-ons with 4.0 including my password manager. This is a calamity and I've changed my default browser from Firefox. Help!!!

The problem is very simple. As soon as I downloaded Firefox 4.0 I lost my add-ons. The add-ons were the reason I have been using Firefox for several years. This seems to be ludicrous. The new version should be able to manage integration of existing add-ons or the Firefox team should have provided the add-on authors with advance technical information before releasing 4.0 to the world.

To downgrade to Firefox 3.6 first uninstall Firefox 4, but do not select the option to "Remove my Firefox personal data". If you select that option it will delete your bookmarks, passwords and other user data.
You can then install the latest version of Firefox 3.6 available from http://www.mozilla.com/en-US/firefox/all-older.html - it will automatically use your current bookmarks, passwords etc.
To avoid possible problems with downgrading, I recommend going to your profile folder and deleting the following files if they exist - extensions.cache, extensions.rdf, extensions.ini, extensions.sqlite and localstore.rdf. Deleting these files will force Firefox to rebuild the list of installed extensions, checking their compatibility, and reset toolbar customizations.
For details of how to find your profile folder see https://support.mozilla.com/kb/Profiles

How can I revert to the earlier version of Firefox? This new version has me completely bewildered. I can't find ANYTHING!!!

I functioned extremely efficiently with Firefox for years. Now, suddenly the new version lacks the conveniently accessible functions to which I have become accustomed. I would like to re-install the earlier version so that I can resume my customary productivity, but I can't find the earlier version to "update" to ("downdate?") Please help me because I don't want to resort to one of the other browsers, but may have to if I can no longer figure out how to use Firefox. Nothing seems to work the way your instructions specify. You are making me feel like a gibbering idiot.

Make Firefox 4/5 look like Firefox 3.6.x:
*NOTE: Support for Firefox 3.6.x is scheduled to end soon, so we can help you find solutions for using Firefox 5.
**Also Firefox 4 support has ended (replaced by Firefox 5) and Firefox 6 is scheduled for release next week
*http://www.computertechtips.net/64/make-firefox-4-look-like-ff-3-6/
*http://blog.fligtar.com/2011/01/16/how-to-customize-firefox-4s-ui/
Other changes that you are having difficulty with? Respond with the specific items.
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''
Not related to your question, but...
You need to update some plug-ins:
*Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/
*Adobe Shockwave for Director Netscape plug-in: [https://support.mozilla.com/en-US/kb/Using%20the%20Shockwave%20plugin%20with%20Firefox#w_installing-shockwave Installing ('''''or Updating''''') the Shockwave plugin with Firefox]

Firefox 18.0.1 crashes every time I close a tab. How can I revert to the prior version which worked fine?

I use Windows 7 on a HP Pavilion dm4-1160us Entertainment Notebook. I use Firefox extensively, and have not had this problem with any prior versions. I upgraded to 18.0.1 on Jan 18th and now Firefox crashes every time I close a tab. I use Norton Internet Security, and had no problems prior to updating Firefox. How can I revert to the prior version of Firefox which worked well.

Why is this Norton's problem when it was caused by Firefox's upgrade???
An easier solution is to use a different browser. Norton works fine.

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 don't like Firefox 7, how do I revert to the previous version? System restore doesn't work.

With Firefox 7 my computer is slower to boot up and shut down. When typing the website I want in the address bar the old firefox took me straight to the site now it takes me to Google. I'd like to revert to the previous version of Firefox. I have tried using system restore but it doesn't work. I'm using windows XP. Can anyone help?

Starting with the release of Firefox 7, the previous versions of Firefox (4.0.x, 5.0.x and 6.0.x) are no longer maintained with Security and Stability updates. Firefox 3.6 is the last previous Firefox version that is still being maintained.
Firefox versions 4.0.x 5.0.x 6.0.x contain Security vulnerabilities that are known and could be exploited by some websites to gain unauthorized access to information or to disrupt critical processing. Only the Latest version 7.0.1 and an Older version 3.6.23 of Firefox are secure against these known vulnerabilities.
* http://en.wikipedia.org/wiki/Vulnerability_%28computing%29#Vulnerability_consequences
* http://www.mozilla.org/security/known-vulnerabilities/firefox.html#firefox6
Threats safeguarded in Firefox 7:
*http://www.mozilla.org/security/known.../firefox.html#firefox7
'''Slowness Issues'''
-> Clear Cookies & Cache
* https://support.mozilla.com/en-US/kb/Template:clearCookiesCache
-> [[How to clear the cache#w_clear-the-cache|Clear the Network Cache]]
-> [[Troubleshooting extensions and themes]]
'''Redirection Problems'''
-> [[Searches are redirected to another site]]
-> '''Is my Firefox problem a result of MALWARE ??'''
* Popups Not Blocked - http://kb.mozillazine.org/Popups_not_blocked
-> Do a MALWARE check with these Malware Scanning programs. You need to scan with all programs because each program detects different malware. Make sure that you UPDATE each program to get the latest version of their Databases before doing a Scan. Also, Close All other Applications (softwares) before Starting to Run Scans.
* Malwarebytes' Anti-Malware - http://www.malwarebytes.org/mbam.php
* SuperAntispyware - http://www.superantispyware.com/
* Windows Defender Home Page - http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
* Spybot Search & Destroy - http://www.safer-networking.org/en/index.html
* Ad-Aware Free Internet Security - http://www.lavasoft.com/products/ad_aware_free.php
Check and tell if its working.

I inadvertently deleted and emptied the trash bin on Firefox. I have a MAC OSX-VERSION 10.4.11. How can I re-install the latest version of Firefox that is COMPUTER FRIENDLY for the MAC OSX Version 10.4.11? I appreciate any help.

I inadvertently deleted Firefox and emptied the trash bin. I believe it was version 3.5. I have a MAC OSX 10.4.11. After several futile attemps how can I re-install the latest version of Firefox compatible to my MAC system? Thanks!

As of Firefox 4.0 and newer the Firefox builds from Mozilla requires both Mac OSX 10.'''5'''+ and a Intel.
Either you can use 3.6.19 from http://www.mozilla.com/en-US/firefox/all-older.html
Though for you 3.6.18 will be safe also as 3.6.19 was to workaround a font crashing issue on 10.7 Lion that was not fixed in time on Lion before release. http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.6.18/mac/ and pick your language and download the Firefox 3.6.18.dmg

How can I revert to a previous version and stop firefox from automatically updating?

I'd like to have the ability to deny an update, some kind of dialogue box. It just went to 9.0.1 with no approval whatsoever.
The reason why is that FF main appeal is the range of extensions, having over half of them non-functional because developers can't keep up with frequent Firefox updates is frustrating beyond compare.

Hi PJ99,
You should take a look at the Knowledge Base article [[Installing a previous version of Firefox]]. This will show you how to roll back to an older version.
If you want to turn off automatic updates, just take a look at [https://support.mozilla.org/en-US/kb/Updating%20Firefox#w_how-do-i-configure-update-options this article]. That will prevent Firefox from updating automatically.
Hopefully this helps!

How can I return to a previous version of firefox?

At this moment I'm running Firefox 35.0.1, and I think I wish to return to whatever was the previous version. I think Firefox updated to this version several weeks ago, and since then strange things are happening.
First of all, I don not like the "manage search engine" set-up. It's different than the one I had a few weeks ago. Now there's nothing at all wrong with this new incarnation, I just don't like the drop down box, etc, (very small issue).
My real concern is, when I'm on a web page, (pick one), any web page, I'll begin hearing audio from some ad. I frantically search the page to see where I can stop the audio, never finding any option. I'll minimize my window, to see if something is behind that window, which I can shut off, but to no avail. This has happened 3 times in the last 48 hours.
Not earth shattering issues, I realize.
But the question would be, is there an easy way that one could return to the version prior to 35.0.1, without damaging anything, (I'm not extremely tech savy).
Thanks in advance, etc.
greg

Changing versions often does not cure problems, but it does increase risks.
* ( Do Not ) [[Install an older version of Firefox]]
The search options will not be changed by downgrading, but there is a method of changing that without downgrading.
* See Ed's [/questions/1044599#answer-685295]
I am not sure the changes in Firefox 35.0.1 would cause your audio issues
* https://www.mozilla.org/en-US/firefox/35.0.1/releasenotes/
The first step in troubleshooting that may be to identify the tab or page involved, then try Firefox with only the newtab page and the problem page open.
IIRC Firefox is intended to continue streaming audio even if a tab does not have focus. That enables users to stream audio in the background whilst browsing. What you hear may be intended behaviour.

Is there any way to revert to the previous version of Firefox.

when i try to open my webmail, using the appropriate password i get the following message: https://webmail.primus.ca/parse.php?file=html/english/xp/xp.html&frame=1
I'd hardly find it necessary to contact the web provider, except for that, so i'd be content to go back a step to be able to NOT have to use Internet Explorer just to check email when i'm on the road

This is a Thunderbird forum. Are you actually asking about Thunderbird or really about Firefox?
In both cases, the answer is pretty much the same; go to the site (below), drill down to the version you want, on the platform you use (windows/mac/linux), in the language you use, and download it, then run it.
There is no need to uninstall the previous version.
Thunderbird email: https://ftp.mozilla.org/pub/mozilla.org/thunderbird/releases/
Firefox browser: https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/
I think most "usability" issues with Thunderbird would be addressed by using TB v24.6. I'm not so sure what would have changed in Firefox to annoy you. ;-)

How can I go back to previous version of firefox cause 4 sucks and I am going to have to go back to internet explorer?

This version is horrible, and I want to downgrade back to previous version if I can't then I am going back to internet explorer, the search engine is an aberration...just trying to perform a search for hotmail sign in page and had to click on have a dozen responses before I find the one I want where before was right there at the top. If I cannot go back to a previous version, just tell me so I can start using internet explorer, it is horrible as well but at least search engine was not as frustrating to use!!!!

To downgrade to Firefox 3.6 first uninstall Firefox 4, but do not select the option to "Remove my Firefox personal data". If you select that option it will delete your bookmarks, passwords and other user data.
You can then install the latest version of Firefox 3.6 available from http://www.mozilla.com/en-US/firefox/all-older.html - it will automatically use your current bookmarks, passwords etc.
To avoid possible problems with downgrading, I recommend going to your profile folder and deleting the following files if they exist - extensions.cache, extensions.rdf, extensions.ini, extensions.sqlite and localstore.rdf. Deleting these files will force Firefox to rebuild the list of installed extensions, checking their compatibility, and reset toolbar customizations.
For details of how to find your profile folder see https://support.mozilla.com/kb/Profiles

After updating to Firefox 5.0, my email/webmail account isn't working. How can I revert to the previous version of Firefox?

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