What previous versions of firefox is supported with the upgrade to 6.0

What versions of Firefox are supported by Mozilla at the moment
Do you only actively support 3.6 and 6.*

Yes, according to this link: https://support.mozilla.com/en-US/kb/Installing%20a%20previous%20version%20of%20Firefox , version 3.6 is the only version, aside from the current version (6 now, soon to be 7) that is still being actively maintained.
Feel free to ask questions about any version though, and people will do their best to help.

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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]

When I click the desktop icon to open Firefox, it takes a long time to open so I end up re-clicking and then end up with 2 or 3 pages open. Why? I have Windows XP and this long delay existed with the previous version of Firefox and now with the FF

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There has been a security update of the Flash Player and the current version is 10.1 r85 , so you are two versions behind (previous was 10.1 r82).
See http://www.adobe.com/software/flash/about/

What earlier version of FCP will work with the intel-3processor?

what earlier version of FCP will work with the intel-3 processor?

The version of the CR designer that the reports were created in is really not that important. Though more on that below. What you need is Crystal Reports XI R2A (11.5.x). That is the last version of CR to ship the Report Designer Component (RDC) that you are presumably using at this time. Note that this version is out of support thus no fixes, no phone support, though we welcome your queries on these forums. To obtain CR XI R2A you will have to contact sales; 866-681-3435. Do not get CR 2008 (12.x) as this version does not ship the RDC and only has the SDK for .NET and Java.
Re. version of the reports. While the version of the designer the reports were created in should not be that important, the older the designer, the more potential problems you may run into. Updating the reports to CR XI R2A is highly advised. You can do this manually by simply opening the reports in the designer and saving them - making sure they still run once that is done. Alternatively, you can do this in code by simply using the .SaveAs method, or exporting to rpt file format. This may not however update the database connectivity correctly (the database engine was completely rewritten in CR 9) and testing will be needed to make sure these reports still work. This is particularly true of your version 8 reports. Version 9 reports and later should be OK.
Ludek
Follow us on Twitter http://twitter.com/SAPCRNetSup
Got Enhancement ideas? Try the [SAP Idea Place|https://ideas.sap.com/community/products_and_solutions/crystalreports]

Looking for a link to enable me to download previous versions of Firefox for support/troubleshooting purposes

My team tests an enterprise e-commerce site and I'm looking for a link to download previous versions of Firefox so we can work trouble tickets that come in against specific versions of the browser

http://releases.mozilla.org/pub/mozilla.org/firefox/releases/
Note that versions other than 3.6.x and 6.0 are not recommended for security reasons.

In the previous version of Firefox I could close the window and still have my tabs intact when I reopened it. Why does FF 4 closes all tabs and doesn't give me an option to save them? (And if it does, where do I change the setting?)

In the previous version of Firefox, before closing a window with tabs still open, it asked if I would like to "save and close", "close all tabs" or "cancel" the operation. FF4 will just alert me that I am closing those tabs and ask me is I want to continue, without giving the option to save my research for a later use.

Firefox 4 saves the previous session automatically. 
You can use "Firefox > History > Restore Previous Session" to get the previous session. 
There is also a "Restore Previous Session" button on the default about:home Home page. 
Another possibility is to use:
*Tools > Options > General > Startup: "When Firefox Starts": "Show my windows and tabs from last time"

Why is the latest version of Firefox not compatable with the Google toolbar? Will it ever be or do I need to switch back to Internet Explorer?

My Google toolbar was deleted when I downloaded the latest version of Firefox. It will not re-load because it is not compatible. Is this problem with Google or with Firefox? Will it be fixed soon, or will I have to go back to Internet Explorer?

See my suggestion in this post (it worked for that happy user): https://support.mozilla.com/en-US/questions/839721
 
 
'''You need to update the following.''' The Plugin version(s) shown below was/were submitted with your question and is/are out of date. You should update to avoid known security issues with the version(s) you have installed. Click on "More system info..." to the right of your question to see what was included with your question.
*Adobe Shockwave for Director Netscape plug-in, version 11.0
*Next Generation Java Plug-in 1.6.0_21 for Mozilla browsers
#'''''Check your plugin versions''''' on either of the following links':
#*http://www.mozilla.com/en-US/plugincheck/
#*https://www-trunk.stage.mozilla.com/en-US/plugincheck/
#*'''Note: plugin check page does not have information on all plugin versions'''
#*There are plugin specific testing links available from this page:
#**http://kb.mozillazine.org/Testing_plugins
#'''Update Shockwave for Director'''
#*NOTE: this is not the same as Shockwave Flash; this installs the Shockwave Player.
#*Use Firefox to download and SAVE the installer to your hard drive from the link in the article below (Desktop is a good place so you can find it).
#*When the download is complete, exit Firefox (File > Exit)
#*locate and double-click in the installer you just downloaded, let the install complete.
#*Restart Firefox and check your plugins again.
#*'''Download link and more information''': http://support.mozilla.com/en-US/kb/Using+the+Shockwave+plugin+with+Firefox
#'''Update the [[Java]] plugin''' to the latest version.
#*Download site: http://www.oracle.com/technetwork/java/javase/downloads/index.html (Java Platform: Download JRE)
#**'''''Be sure to un-check the Yahoo Toolbar option during the install if you do not want it installed.
#*Also see "Manual Update" in this article to update from the Java Control Panel in Windows Control Panel: http://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox#Updates
#* Removing old versions (if needed): http://www.java.com/en/download/faq/remove_olderversions.xml
#* Remove multiple Java Console extensions (if needed): http://kb.mozillazine.org/Firefox_:_FAQs_:_Install_Java#Multiple_Java_Console_extensions
#*Java Test: http://www.java.com/en/download/help/testvm.xml

I was happy with the previous version - can i get rid of the upgrade and go back to "normal" for me - i don't have time to relearn everything. it's annoying.

I don't like many aspects of the updated version I downloaded a few months ago - I haven't even tried a newer version popping up in the corner of my desktop. I would like to get rid of the updated version and go back to the previous one. It suits my simple needs.

If you want to change the layout to be more like Firefox 3.6, you can do so. Firefox 9.0.1 is the current version and Firefox 10 will replace it at the end of January 2012. The only other version of Firefox that is currently supported and updated is Firefox 3.6.25, '''but support for the Firefox 3.6 version is likely to end soon'''.
To change newer Firefox versions to look more like Firefox 3.6.x:
*See --> https://support.mozilla.org/en-US/kb/common-questions-after-upgrading-firefox-36
*See --> http://www.computertechtips.net/64/make-firefox-4-look-like-ff-3-6/
*See --> http://blog.fligtar.com/2011/01/16/how-to-customize-firefox-4s-ui/
*See --> '''''Firefox 3 Theme for Firefox 4+''''': https://addons.mozilla.org/en-US/firefox/addon/firefox-3-theme-for-firefox/
**Add color home, back/forward and other buttons (like Firefox 3) to the Navigation Toolbar in place of the gray buttons in Firefox 4+
**See: http://ffaddons.game-point.net/ff3ff4/
*Also see: http://support.mozilla.org/en-US/kb/How+to+customize+the+toolbar
Firefox 3.6.25 (supported/updated only for a short time):
*Download --> https://www.mozilla.org/en-US/firefox/all-older.html
*See --> http://kb.mozillazine.org/Go_back_to_an_old_version_of_Firefox
*For a smoother downgrade transition --> http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
*You also might want to see:
**http://support.mozilla.org/en-US/kb/Backing+up+your+information
**http://support.mozilla.com/en-US/kb/Recovering+important+data+from+an+old+profile
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''

I have trouble opening PDF documents with Firefox. They will open using IE8 and with the older version of Firefox but not with the new version of Firefox.

Specifically, I am trying to open brokerage statements with Charles Schwab. I go to the link using Firefox and click and all I get is a blank box with ABOUT: BLANK in the header at the top. Yet, I had no trouble viewing the statements with the older version of Firefox and I also have no problem viewing the document using Internet Explorer. Any help you can offer is appreciated. I would rather continue to use Firefox as my browser and not have to use IE.

https://support.mozilla.com/en-US/kb/Using+the+Adobe+Reader+plugin+with+Firefox
https://support.mozilla.com/en-US/kb/Opening+PDF+files+within+Firefox

There used to be a special feature on the previouse versions of Firefox. when you close the firefox with multiple tabs opened it displays an option of saving it or closing without saving. but this version specially the 7th doesnot have that.

specially version 3.6 is good on saving the tabs before closing the firefox. but the latest versions should have had more that just this but it doesnt support the saving tabs or may be i didnt see it there. please if it has this feature let me know.
the other thing is the norton toolbar 2011.7.1.3 is incompatible with firefox 7.

Firefox 4 and later versions save the previous session automatically, so there is no longer need for the dialog asking if you want to save the current session. 
Use "File > Exit" or "Firefox > Exit" (Mac: "Firefox > Quit Firefox") if you want to restore multiple windows. 
You can use "History > Restore Previous Session" to get the previous session at any time. 
You may need to click the orange/gray Firefox button to see History. 
There is also a "Restore Previous Session" button on the default about:home Home page.
Using the "Show my windows and tabs from last time" setting is a more reliable way to restore session data.
* [http://kb.mozillazine.org/Menu_differences Firefox/Tools > Options] > General > Startup: "When Firefox Starts": "Show my windows and tabs from last time"

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

How do I return to a previous version of firefox?

Occasionally, when there is a firefox update, it resizes my browser page so that the text is tiny. Sure I can hit ctrl and scroll up, but this just resizes the current page I'm on. This has happened to me once before, and I had to reload a previous version of firefox.

You can increase the String pref layout.css.devPixelsPerPx from 1.0 to 2.0 in 0.1 steps to see what works best.
In Firefox 3.6 and later this pref is a String value parsed to a float and allows to fine tune the dimensions of all elements more precisely.
To open the about:config page, type about:config in the location (address) bar and press the "Enter" key, just like you type the url of a website to open a website. 
If you see a warning then you can confirm that you want to access that page. 
Your above posted system details show outdated plugin(s) with known security and stability risks.
# Shockwave Flash 10.0 r32
# Next Generation Java Plug-in 1.6.0_21 for Mozilla browsers
Update the [[Managing the Flash plugin|Flash]] plugin to the latest version.
*http://www.adobe.com/software/flash/about/
Update the [[Java]] plugin to the latest version (6 U22).
*http://java.sun.com/javase/downloads/index.jsp (Java Platform: Download JRE)

Recently, I updated to Firefox 4.0.1, and the new version disabled several of my programs, including my anti-virus. How can I go back to the previous version of Firefox?

I want to go back to the previous version of Firefox, because the new version (4.0.1 I think) that I downloaded disabled several of my programs, including my anti-virus program, because they were incompatible with the new version of Firefox. How do I get back to the previous version of Firefox and re-enable the disabled programs?

* [/questions/777886]
Some gestures have been removed in Firefox 4.
You can restore the zoom feature by changing the values of the related prefs on the about:config page.
browser.gesture.pinch.in -> cmd_fullZoomReduce
browser.gesture.pinch.in.shift -> cmd_fullZoomReset
browser.gesture.pinch.out -> cmd_fullZoomEnlarge
browser.gesture.pinch.out.shift -> cmd_fullZoomReset
browser.gesture.pinch.latched -> false
To open the about:config page, type about:config in the location (address) bar and press the "Enter" key, just like you type the url of a website to open a website. 
If you see a warning then you can confirm that you want to access that page. 
You can use the Filter bar at to top of the about:config page to locate a pref more easily.

Firefox 4 is not compatible with the skin i had been using for my browser, old factory black... i would prefer to keep this skin rather than use firefox 4... how can i revert back to the previous version of firefox?...

''Duplicate post, continue here - [https://support.mozilla.com/en-US/questions/816154]''
firefox 4 is not compatible with the skin i had been using for my browser, old factory black... i would prefer to keep this skin rather than use firefox 4... how can i revert back to the previous version of firefox?...

Older versions of Firefox are available here:
http://www.mozilla.com/en-US/firefox/all-older.html

The Norton Toolbar 4.6 is disabled in Firefox 4 while it is working in previous version of Firefox. In Firefox 4 it opens with massage Norton Toolbar is incompatible in firefox 4. Is this problem have any solution?? pls tell me.

The Norton Toolbar 4.6 is disabled in Firefox 4 while it is working in previous version of Firefox. In Firefox 4 it opens with massage Norton Toolbar is incompatible in firefox 4. Is this problem have any solution?? pls tell me.

Symantec need to update their Firefox add-ons so that they are compatible with Firefox 4. They have released an update for Norton 360 to make it compatible with Firefox 4, for details see http://us.norton.com/support/kb/web_view.jsp?wv_type=public_web&docurl=20100720113635EN&ln=en_US
I do not know about other Norton products, but if you run Norton LiveUpdate it should inform you if there are updates available. If no updates are available, you can downgrade to Firefox 3.6 if you want to use the Norton add-ons.
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

What previous versions of firefox is supported with the upgrade to 6.0

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