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After Firefox updated my version to 33, the application launches to a black screen. I've tried uninstalling my version and reinstalling the current version (33) and it (Firefox) still launches to a black full sized window. No other issues with other applications.

So i was watching a video on youtube as a game had frozen, decided to open task manager to end task for the game, then noticed there were 5 processors of firefox running, just wondering why are there 5? all i was doing was watching youtube.

I DO NOT want ANY internet entity saving my webpage passwords. Mozilla/FireFox insists on asking me if I want to save my password to a webpage. How do I get it to STOP asking me if I want to save a password?

For the past week or so I have been unable to play any Netflix videos in Firefox. Netflix works fine in other browsers and all other video streaming sites I've tried in Firefox still work. Initially the problem was that I would just get stuck on the red loading circle, however, after updating Firefox to the latest version (version 53), I now get an error message on Netflix telling me to check I have the latest version of Firefox, with an error code, F7702-1003. A solution posted from about a year ago involving changing the path in profiles.ini did not help, nor did removing pluginreg.dat.

I would be grateful for any assistance.

The main use of the PC in my living room is as a media center. My GUI (Plex) runs in the browser and plays videos with VLC via a custom addon. Currently it is also used for browsing from time to time and I need to keep that part of it secure. As Mozilla is about to break all my addons as well as force me onto 64 bit, I've no choice but to stop updating Firefox on that PC.

I found a old post (3 years old) about running two different versions of Firefox at the same time. https://support.mozilla.org/en-US/questions/974208

Is it still possible to do this? Does the same methods still work?

I want to freeze my current 32 bit Firefox at v54.0.1 and use it only for local content. (I've already disabled updates on it)

Then I want to then install a second 64 bit Firefox v55, use it for internet, and allow it to update normally.

If this isn't possible I'll just have to switch to a different browser.

Ever since Firefox made Youtube videos only play in HTML5, no matter what quality setting I have on the video I'm watching, when I view the video on fullscreen it has low framerate. This problem does not happen with other video sites that uses Flash, like Twitch, Blip, or Dailymotion.

Is it software related to the browser or hardware related with it being HTML5?

I'm wanting to update my thunderbird adsdress book on my travel computer which I haven't used for a year with new addresses that have accumulated on my main computer during this past year. or if need be replace the travel computer address book with my main computer's address book, whatever works. Have windows 7. IOW I am not migrating to a new computer, and I don't want to just replace everything on the travel computer with new files, just want the address book there. It is ok, if it is a separate address book from what is already there, though it may be good to delete the old address book.

Firefox had always been my preferred and default browser. For the last month or so, it won't open any pages (except two or three that I'm guessing are cached in the history) but Google Chrome opens everything just fine (so internet connection doesn't appear to be the issue). I am trying to run Firefox 40.0.3 on a Dell with Windows 7 Home Premium (64-bit OS) from my home (cable internet with no proxy). I have Avast Free Antivirus, Malwarebytes Anti-malware and Spybot Free version installed. (I know someone will tell me not to have each of those on my machine and though the person who responds to this will undoubtedly know more than me, I have run this machine [and others] with those 3 programs for years with no problem). I do have some stupid McAfee product that I can't seem to totally get rid of that appears to be set up (from/by the manufacturer) to manage certain operations - including the firewall. The McAfee "LiveSafe - Internet Security" wants me to "buy a subscription no to stay protected."

I have tried everything written on any problem even remotely related to my problem and nothing works (reinstalled FF and other programs, deleted cert8.db files, and on and on). I honestly wonder why I even care enough to keep spending valuable time trying to find a solution - Firefox has just been such a good product for such a long time, I hate to let it totally go. Please help!!

Since yesterday (23/11/13), everytime I open a new tab on my desktop, I get the Bing page instead of the firefox tabbed page.

Tried a system restore, still it is there.

How can I get rid of it?

I am so fed up with the error message that adobe flash plugin has crashed. You have had two years to fix this problem and all your suggested solutions do not work. I cannot see any alternative but to go back to Internet Explorer. It is so frustrating when I am checking my emails and click on a link to get the same message over and over again. Why is it that this problem only happens with Firefox? It does not happen with Internet Explorer and it does not happen with Google Chrome. Otherwise Mozilla Firefox is great.

The Folder pane and message list are showing up as about 6 point on my 27 inch Apple screen and very hard to read. I know there is a font adjuster add-on for Firefox Mac users, but is there the same for Thunderbird? (Before I go blind!)

Playing a particular mp4 audio file directly from a website link gives error message "Video can't be played because the file is corrupt". However other mp4 audio files from this same website do work correctly. What can I do to get all the the mp4 audio files to play directly from the same website? I must have the correct plugins, etc. since the other files play. This file is not playing from YouTube, is it on the website. Thank you for your help.

Dear Madam, Sir

could it be possible to download the latest version of Firefox ESR 52 again? We still have software that's not compatible with Firefox ESR 60.

I added a screenshot to show even if I select firefox 52 the download is still version 60.

Thanks in advance.

Kind regards,

Hans

I am trying to switch from Outlook 2007 to Thunderbird. Everything is great so far, but I need to import my old emails from Outlook. When I go to Tools>Import>Mail I get options for Eudora, Outlook, and Outlook Express. The options for Eudora and Outlook are greyed out. The option for Outlook Express is available, but that's not even a option for me since I am using Windows 7.

I read some articles and they noted that you must still have Outlook installed and set as the default mail client. I have made sure that Outlook is set as the default mail client but the import option is still greyed out. I have tried restarting both Outlook and Thunderbird. I have also tried importing with Outlook open and closed.

Any help would be appreciated.

Starting just today, whenever I try to access www.fanfiction.net, I'm getting this error message from FF:-

" Secure Connection Failed An error occurred during a connection to www.fanfiction.net. The OCSP server has no status for the certificate. (Error code: sec_error_ocsp_unknown_cert) "

I've already tried deleting the Cert8.db and Secmod.db, and uncheck both of OCSP option in Advance Settings. Neither works. The site can be accessed fine from any other browser so this is definitely Firefox issue.

Need advice on how to fix this ASAP.

I had a Firefox crash twice in a row so lost my Restore Previous Session option (greyed out). I had a lot of important tabs open! Looking around the forum I think the data on the lost tabs is in sessionstore.js (I have sessionstore.bak too). Both contain a lot of text which looks like it has the information Firefox needs. However when I do File>Open File>filename it opens in a tab as text - how do I gt Firefox to use the data to restore my tabs? Windows7 Firefox 31.0 Thanks for any help...

The plugin check page says that Adobe Flash Player is vulnerable and I need to update it. I press the button to update it and install the new version, but then the plugin check page still says it needs to be updated, even if I reboot it still says that.

It says: vulnerable 16.0.0.287

I tried uninstalling flash completely and installing the latest version from Adobe, but firefox's plugin check page *still* says that it needs to be updated...

It appears that most sites get my location from Mozilla Firefox. It is constantly incorrect and moves around. Today it was someplace in Texas and I live in Ohio. This is a desktop computer and doesn't move. I have set it on several sites and I don't delete my cookies but somewhere along the line it gets changed. It appears it gets changed in my Mozilla Firefox. I know you go off the dsl location or something but it just doesn't work. Even when it gets me in Ohio it's constantly a different city. How can I get a permanent location in Mozilla Firefox or disable the location finder in Mozilla Firefox?

I have an AT&T Email account. I unwittingly changed my password and now I can't get access to my email via Thunderbird. How do I change the password in Thunderbird. I've found several sets of instructions on the net for this but none of them seem to work. They seem to direct me to functions or commands that simply aren't there. HELP!!!