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I have not changed any settings in Firefox and have checked that they are still set to remember my history. Suddenly (in the last few days) my history is blank. The drop down box from the History tab still shows the last 15 sites but all of my history has been erased and it isn't tracking anywhere I now visit. I need my history for my work and this is a major issue for me. I do not run any third party software except MacKeeper (which I have always run & haven't made changes to) and I haven't downloaded any other new software. Please Help me to fix this problem.

every time firefox automatically upgrades it fails to get beyond the first screen. The only way I can use firefox is to reload version 15. I have an ACER laptop running windows7.

First noticed this on Google news items. Text would blur when I moused over a story. Since this started about two weeks ago I now have seen it happen in pull down menus on Amazon and Ebay as well. Those are the only three sites. This is happening on a desktop with i7 first gen and win7 running.

Selecting the blurred text temporarily fixes the blurring problem. Also, turning on the snipping tool to capture the image fixes it so I had to use print screen to get a screen capture of this effect.

My PC was working ok, but I decided to format it because it was time.

I did it, and when I was using the recently installed firefox, it crashes. And did it again few minutes later, and again, and so on.

Tried in deactivating Add-ons, deactivating Sync, reseting Firefox, reinstalling Firefox, format again, installing an updated windows 7, but it keeps doing it.

Run memtest all night, all perfect. Hard drive perfect too.

I don't know what to do now, so I follow the steps here: https://support.mozilla.org/en-US/kb/firefox-crashes-troubleshoot-prevent-and-get-help and now I'm asking you about it.

If you need any more information, please let me know.

Last crash:
bp-401869b2-2488-4b2a-bc71-31c7f2130616

Crashes:
bp-401869b2-2488-4b2a-bc71-31c7f2130616 6/15/2013 9:23 PM
bp-4ca9ebb5-70a5-40b9-95b6-ac8be2130615 6/15/2013 8:46 PM
bp-05a69596-3286-48c4-85fc-0966e2130615 6/15/2013 8:09 PM
cd20e0b9-f7e5-4486-ad6c-af2447154b09 6/15/2013 6:55 PM
bp-f996cfb1-b5bb-4118-a8cc-9dd042130615 6/15/2013 12:55 AM
bp-8d051efd-a6c4-40b9-830c-491412130615 6/14/2013 10:27 PM
db94257f-4b2d-4523-9180-31ffbbf90c38 6/14/2013 10:03 PM
bp-01a14449-9c8c-4019-96dc-b0ecc2130615 6/14/2013 10:01 PM
bp-dcd8bad3-691b-473c-b2a8-ad7d22130615 6/14/2013 9:48 PM
bp-bf8ef1e9-ec3a-444d-831e-383cc2130615 6/14/2013 9:48 PM
bp-12ade04d-e7a6-48a2-bc93-b35532130615 6/14/2013 9:33 PM
bp-b1ce76a1-1519-4389-b340-8b1ff2130614 6/14/2013 1:59 PM
bp-482d78dc-18d1-4bfb-a47a-219a72130614 6/14/2013 1:59 PM
6bd8af27-acc5-4772-a400-69c2037e115f 6/14/2013 4:41 AM
bp-9af131c4-1e9a-4ac9-bd23-c59252130614 6/14/2013 2:20 AM
bp-196c5070-22f6-43ae-a329-82b1a2130614 6/14/2013 12:06 AM
bp-6ed91851-7159-42b7-afff-8a7982130614 6/13/2013 9:53 PM
bp-7038abb4-4440-49f7-a274-3b49b2130614 6/13/2013 9:21 PM
bp-95f1792f-651b-4ac0-afbb-fc5ee2130614 6/13/2013 9:18 PM
bp-6bf018c2-7c73-4388-9f3f-e3f422130613 6/13/2013 8:38 PM
bp-6d7fdae5-3a58-4ce1-beff-7a7e62130613 6/13/2013 12:42 PM
bp-9ed38af8-1afd-4c17-8ae9-18d092130613 6/13/2013 12:50 AM
bp-ac06df03-6766-41a0-8494-832d12130612 6/12/2013 2:00 PM

I am experiencing issues with no sound when watching flash-based videos in Firefox. It affects all YouTube, Vimeo, Dailymotion and other websites as well.

It happens:

• When ads are displayed.
• When I click "pause" and then resume, the sound disappears.

To get the sound back it helps either to start the download from the very beginning, or to refresh the whole page.

A funny thing is that it's working in IE and Chrome, so I don't think it's anyhow related to Flash Plugin itself. The same happens to me at work and when I'm home, I doubt Flash videos would be blocked by company policy anyway, because lots of meetings etc. are published also on YouTube.

Issue started already some time ago, I tried to reinstall FF and all Adobe software, including Air and Flash, but so far no success.

I looked through lots of support articles and forums to get it sorted out and still the same. Anyone having similar issues there?

If you need any more details, feel free to ask. All assistance or tips really appreciated.

I have spoken with Adobe about using Captivate 7 with Firefox and they have told me the support for the features is unavailable from your end, not theirs. I want to know exactly what it is that Firefox cannot do. I am exporting the package to HTML5.

I go to a website that requires a Java plug-in. I downloaded the latest update (21) for Java 7 from Oracle but when I go to Add-Ons>Plugins in Firefox 20 the Java plug-in doesn't appear and when I do a search at the Get Add-ons nothing that mentions the Java Plug-in shows up. Where can I get the plug-in required to use with JRE7u21?

Mac OS 10.7.5, Firefox 20.0, Java Runtime Environment 7 update 21

When I save a page to my desktop and then open it in Firefox (v.20), it often (though not always) happens that roughly the top half of the page is totally blacked out by a large rectangle, right across the width of the page. Happens on all my PCs (Windows 7 x64). As I scroll down the saved htm file, the large black rectangle remains at the top of the page (still blocking out about half of it).

This has been happening on and off (not every saved page does this, but I can't see that it is particular websites) for ages (certainly the past year: updating to newer versions of FF over this period hasn't changed anything) so I thought I'd finally post about it. Can't see any other people posting about this though.. Odd.

I'm getting emails every day with people complaining that my site data isn't verified - I'm being reported to blacklists and Google and Bing. Firefox is generating a message saying my "site cannot be shown because the authenticity of the received data could not be verified" and that "they should report this broken site".

What???? There is nothing wrong with my site - it works perfect in every other browser out there.

Why is FF attempting to add HTTPS to all my urls? I know I can resolve this on my browser installation - but how does it get fixed so my visitors who use FF can get to my site?

Thank you for your help! Rob

I deleted family profiles in Firefox but whenever I run a scan, the scan finds their profile names. I have searched in all folders & files but can't find them to permanently delete them. Can someone help please?

I've been using Firefox since well, lets just say long enough... Version 20 for the Mac seems to not have fixed any bugs or memory leaks.

One of the "fixes" is to restart Firefox, which is the only "fix" that works, but this really isn't a fix, this is a stopgap situation, in where you release the memory by closing it...

Are there other people with this same situation? My Firefox uses with nothing in the main page except google.com, if it's open for over 24 hours over 1GB of ram... 2 GB in 48 hours, etc...

The most Firefox has ever used was 5GB before I shut it down, now I know, restarting Firefox seems to stop this from happening, but as I said, this is a stopgap, there is something inside Firefox that makes this happen.

Is there anything in the future that will fix this issue, or is Firefox going to be forever a Memory Hog worse than Microsoft Office?

This latest upgrade has been awful for a very basic computer user like me. I've used Mozilla happily for years but the amount of time I'm spending trying to put it back to the way I like it is starting to make me reconsider the whole thing. Chrome is looking awfully good right now.

I've already spent hours trying to rid myself of the Yahoo thing that just suddenly appeared as my search engine and now my browser history won't clear. I used to be able to go to show all history and delete. Easy! Now even when the history says it's clear, even when I've closed down all the tabs prior to closing down mozilla (except for my home page Google) When I reopen Mozilla the last four tabs are back again. It should, based on my my prior usage, only open to my home page and if I want to restart at my previous tabs it asks me. Why is this happening?

I'm a very basic computer user and this sudden hijacking of my browser and search engine is actully a bit distressing and frankly I'm getting sick of trying to fix it.

My laptop’s keyboard is not working in Mozilla at all but works anywhere else. I am currently writing this in Word and cut and pasting it into the feedback box. I really need to fix this because it’s really making things difficult because I really don’t want to use another browser. I’ve already tried restarting with all my plugins disabled but that hasn’t helped and I have the newest version of Mozilla. I have not downloaded anything recently and have no idea why this started. The last thing I typed was into youtube which worked but as soon as I typed something else my keyboard wouldn’t work.

Please help!

I embedded the a soundcloud file in a website. It plays well in Chrome and IE, but not in Firefox 20.0.1. It should play HTML5 audio. There is a nice rotating image in the player, but no sound.

The strange thing is: some files do play in Firefox (all do in Chrome and IE) and some don't. Anyone experiencing this odd behavior? And is there anything I can do?

I have OS 10.8.4, FireFox 18.0.2 and I can't viiew video links nor play audio links on websites. Can't find quicktime plug-in for firefox either. All google searches for same come up empty. What is going on? I can get the plug-in for Chrome but not FireFox. Add-ons manager also can't find the quicktime app.

When I try clicking on a link that has audio, I get the message about needing a plug-in and advice to click the link to find one. There are none.

What do I have to do to get quicktime plug-in on my mac?

BTW, QuickTime itself works just fine; I just can't play mpr etc files through FireFox.

Thanks for your help.

I finally updated to Firefox 21 and today when I opened the Firefox browser, my google homepage looks odd and a large message from Firefox appears saying I need to update to the latest version of Firefox. I double checked the version and I have version 21.

I also don't know if this has anything to do with my current problem. A pop up window is suddenly appearing just after I turn on my PC, at first I thought it was triggered by Firefox. It's a security warning saying the certificate from GEOtrust SSL CA isn't a trusted certification authority for javadl-esd-secure.oracle certificate. I just find it odd that this message just started a few days ago and now after updating Firefox to the latest version, it's still telling me to update. Thanks