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How can I eliminate the SEC_ERROR_UNKNOWN_ISSUER errors I get at multiple websites?

I just installed FF 63 on a 64-bit Windows 7 machine, and I'm getting SEC_ERROR_UNKNOWN_ISSUER errors at many, but not all, websites. Reaching the same websites via the s… (xem thêm)

I just installed FF 63 on a 64-bit Windows 7 machine, and I'm getting SEC_ERROR_UNKNOWN_ISSUER errors at many, but not all, websites. Reaching the same websites via the same URLs using Chrome works fine.

All discussions of this problem seem to lead to https://support.mozilla.org/en-US/kb/error-codes-secure-websites?redirectlocale=en-US&redirectslug=troubleshoot-SEC_ERROR_UNKNOWN_ISSUER, but it's not helpful. My antivirus is Bitdefender Free, which appears to have no option for disabling the interception of secure connections.

Running FF in safe mode behaves the same as in "normal" mode: I get SEC_ERROR_UNKNOWN_ISSUER errors at many (but not all) websites.

Help? As things stand now, FF is pretty close to useless for me.

Đã được hỏi bởi LangfristigerFFUser 2 năm trước

Đã được trả lời bởi LangfristigerFFUser 1 năm trước

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Firefox opens up by itself on startup

Every time turn the PC on, firefox starts up automatically. It's not on msconfig, and I don't turn the PC off without closing it first. Any ideas?

Đã được hỏi bởi eru777 1 năm trước

Đã được trả lời bởi philipp 1 năm trước

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'media.autoplay.enabled' setting no longer stops video auto-play (version 63.0).

Hi. I just noticed that my browser had auto-updated itself to version 63.0, and now, videos on Youtube and news sites auto-play, even though I have it disabled in About:C… (xem thêm)

Hi. I just noticed that my browser had auto-updated itself to version 63.0, and now, videos on Youtube and news sites auto-play, even though I have it disabled in About:Config. Until today, all html5 videos were being blocked just fine by that setting. Why is this happening and what can I do to re-block videos from auto-playing?

Đã được hỏi bởi Max Quordlepleen 2 năm trước

Đã được trả lời bởi jscher2000 2 năm trước

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i would like to increase the size of my address bar, tabs and toolbar

Just bought new Dell with Windows 10 Downloaded Firefix and logged into. The size of the tabs are really small (changed them using about:config) The address bar and bookm… (xem thêm)

Just bought new Dell with Windows 10 Downloaded Firefix and logged into.

The size of the tabs are really small (changed them using about:config) The address bar and bookmarks bar is still tiny..almost impossible to read

Please advise how to fix this..

Đã được hỏi bởi surftracefree 1 năm trước

Đã được trả lời bởi jscher2000 1 năm trước

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Browser window missing top header bar

FF recently updated and when it restarted my browser window is now not showing my menu toolbar or bookmarks toolbar even though they are checked to be on. Plus the minim… (xem thêm)

FF recently updated and when it restarted my browser window is now not showing my menu toolbar or bookmarks toolbar even though they are checked to be on. Plus the minimize/maximize buttons are overlapping my tabs at the top. It seems I'm in some different sized view or something that I cannot figure out how to get out of. I am not in "full screen" view (already tried F11 to be sure). And I've tried dragging the sides out but that doesn't fix the top min/max button issue where it overlaps and my toolbars AND my MENU bar still do not show up. I've gone into customize and removed and then re-added the "bookmarks menu" but it only shows up next to the other icons, not in the normal "toolbar" format with my folders, etc. I can view my bookmark toolbar in the SIDEBARS but again it's just the top of my screen that's messed up and I know it has something to do with my min/maximize buttons being overlapped with tabs but can't get out of it.

I've put a screenshot below to show you what I mean. Any help would be greatly appreciated.

Đã được hỏi bởi sbledsoe 1 năm trước

Đã được trả lời bởi FedupwithScripterrors 1 năm trước

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How can I turn off AutoPlay in Firefox? It is not listed in preferences.

The new 'update' on Firefox (63.0, I think) turned on all my AutoPlays that I had previously turned off. Very annoying. How can I turn off AutoPlay? Do they have to up… (xem thêm)

The new 'update' on Firefox (63.0, I think) turned on all my AutoPlays that I had previously turned off. Very annoying. How can I turn off AutoPlay? Do they have to update the software?

Đã được hỏi bởi chrissporter 1 năm trước

Đã được trả lời bởi jscher2000 1 năm trước

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Browser does not ask to save and quit anymore even when browser.ShowQuitWarning is set to true, how to fix this?

So there was an issue where my browser stopped automatically restoring my previous session after closing it. I followed some instructions I found online that told me to t… (xem thêm)

So there was an issue where my browser stopped automatically restoring my previous session after closing it. I followed some instructions I found online that told me to tick the option for it under Options -> General -> Startup, and this fixed the problem. However, this seemed to have caused my browser to directly close and stop asking me to save and quit even while browser.ShowQuitWarning is set to true in about:config.

If I tick off the option to automatically restore my previous session, however, I do get a warning that tells me I'm about to close my browser, but it only gives me the options to close tabs and cancel closing my browser; the option to save & quit is absent entirely.

That's about everything I know that could be related to this issue.

Đã được hỏi bởi MarkMJ 2 năm trước

Đã được trả lời bởi jscher2000 2 năm trước

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Transfer Firefox profile information to a new computer

I have a new computer and I had previously saved a backup of the files of my Firefox profile. I followed the steps in this article: https://support.mozilla.org/en-US/kb/b… (xem thêm)

I have a new computer and I had previously saved a backup of the files of my Firefox profile. I followed the steps in this article: https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles but it didn't work, none of my settings or bookmarks are in place. The backup profile had a different name so I copied the contents and I used the default profile that was created instead of creating a new one. Why didn't it work? Does it matter that I'm using the same profile from the backup on a different new computer as well?

Đã được hỏi bởi qwigoqwaga 1 năm trước

Đã được trả lời bởi jscher2000 1 năm trước

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WidevineCdm-plug-in crashed — no video playing

Since ± half october 2018 I can't play videos anymore on some sites and get this crash message. Youtube does work, probably because without Widevine? I'm on FF Dev Editio… (xem thêm)

Since ± half october 2018 I can't play videos anymore on some sites and get this crash message. Youtube does work, probably because without Widevine? I'm on FF Dev Edition, Mac with El Capitan. Thanks, Pieter

Đã được hỏi bởi Piroo 1 năm trước

Đã được trả lời bởi cor-el 1 năm trước

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Block video autoplay not working

In the past few days, the block video autoplay option is not working. It had been working properly for years. I have video autoplay turned off in about:config and the o… (xem thêm)

In the past few days, the block video autoplay option is not working. It had been working properly for years. I have video autoplay turned off in about:config and the option to block autoplay is no longer available under the settings menu. What settings need to be changed to re-enable this in the update. This is extremely annoying.

Đã được hỏi bởi gsmnp34 2 năm trước

Đã được trả lời bởi philipp 2 năm trước

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utf-8 displayed incorrectly

My site uses a template engine to wrap standard page HTML around templates that contain only the body text. However utf-8 multibyte characters are displayed correctly if… (xem thêm)

My site uses a template engine to wrap standard page HTML around templates that contain only the body text. However utf-8 multibyte characters are displayed correctly if there is no HTML header but incorrectly if the standard page header, which explicitly specifies utf-8 encoding, is presented to Firefox.

https://www.jamescobban.net/templates/Articles/FrenchOccupations.html is the template of the body text https://www.jamescobban.net/displayPage.php?template=Articles/FrenchOccupations has the HTML header and footer wrapped around it. You can look at it yourself, but to save time the header added by displayPage is:

   
   
      
        <title>
	    ...text extracted by DisplayPage from the h1 tag...
        </title>
        <meta charset="utf-8">
        <meta content="text/css" http-equiv="default-style">
        <meta content="James A. Cobban" name="author">
        <meta content="© 2018 James A. Cobban" name="copyright">
        <meta content="genealogy, family, tree, ontario, canada " name="keywords">
        <link href="/styles.css" rel="stylesheet" type="text/css">
      

Đã được hỏi bởi jamescobban 1 năm trước

Đã được trả lời bởi jscher2000 1 năm trước

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Facebook not loading

For some reason when i go to facebook on firefox it just does not loads correctly, Please see screen shot. I have updated to 63.0.1 but when i downgraded it also did the … (xem thêm)

For some reason when i go to facebook on firefox it just does not loads correctly, Please see screen shot. I have updated to 63.0.1 but when i downgraded it also did the same. Any help please?

Đã được hỏi bởi makeandsave 1 năm trước

Đã được trả lời bởi FredMcD 1 năm trước

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Where do I manage ssl certificate exceptions?

this used to be on the advanced tab of the options menu, but is no longer there and I can not find it anywhere. Anyone know where this was moved to? I have an exception I… (xem thêm)

this used to be on the advanced tab of the options menu, but is no longer there and I can not find it anywhere. Anyone know where this was moved to?

I have an exception I would like to remove.

Đã được hỏi bởi utzig2001 1 năm trước

Đã được trả lời bởi cor-el 1 năm trước

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I am getting a "Performing a tls handshake" when I'm trying to view a webpage. How can I fix this?

I have Firefox 63.0.1 64 bit using Win 7. After the latest update, I frequently get the "performing a tls handshake" when trying to view a webpage. After 7 to 8 minutes I… (xem thêm)

I have Firefox 63.0.1 64 bit using Win 7. After the latest update, I frequently get the "performing a tls handshake" when trying to view a webpage. After 7 to 8 minutes I get a message saying "Secure Connection Failed. The connection to the server was reset while the page was loading. The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the website owners to inform them of this problem." I've researched this problem and haven't come up up with an answer as to how to correct this. Does anyone know how to correct this?

Đã được hỏi bởi dutchjim 1 năm trước

Đã được trả lời bởi dutchjim 1 năm trước

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Firefox always asking to answer puzzles on Recaptcha

I've installed the latest version of Firefox. Firefox Quantum 63 x64 and ReCaptchas don't work properly. It has been installed on a fresh Windows 10 Pro and Firefox it's … (xem thêm)

I've installed the latest version of Firefox. Firefox Quantum 63 x64 and ReCaptchas don't work properly. It has been installed on a fresh Windows 10 Pro and Firefox it's at the same time a fresh install like I'm showing on the video at the end of this post. No firewall, no antivirus, no addons, nothing that should stop Firefox from automatically do the ReCaptcha. But every time you click on I'm not a Robot it always prompts you to do a puzzle.

Please Firefox, fix this issue. It is pretty frustrating to have to answer every time a puzzle that are ridiculously annoying or having to switch to Google Chrome to use those kind of pages that ask you to answer a ReCaptcha.

However, if there is anyone that has a solution, please share it with me or all of us. Because I've been trying to find an answer and haven't find one that works. So I will appreciate a good fix for it.

Thanks in advance to the community and hopefully Firefox finds a fix because for what I've read it's a persistent issue with other older versions too.

https://www.youtube.com/watch?v=8naCIATQXjY

Đã được hỏi bởi zios007 1 năm trước

Đã được trả lời bởi zios007 1 năm trước

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Firefox 63.01 options: Your organization has disabled the ability to change some options

My personal copy of Firefox and I am the administrator of my system. I suddenly can't make changes to options and my right click copy/search capabilities are not availabl… (xem thêm)

My personal copy of Firefox and I am the administrator of my system. I suddenly can't make changes to options and my right click copy/search capabilities are not available

Đã được hỏi bởi vmoutsop 1 năm trước

Đã được trả lời bởi cor-el 1 năm trước

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Firefox update 63.0.1 is "super" slow. Nothing in the fix suggestions works.

This has been an ongoing problem that started, first with update 63.0, and continues with update 63.0.1. I have tried multiple fix suggestions, including the very disappo… (xem thêm)

This has been an ongoing problem that started, first with update 63.0, and continues with update 63.0.1.

I have tried multiple fix suggestions, including the very disappointing "refresh Firefox" option. While that did nothing to cure the problem, it did wipe out every saved password. That, to be blunt, really ticked me off. It says this fix solution will keep our saved information, with no mention of erasing passwords.

Second, I changed the Network Settings as directed, from Use system proxy settings to auto-detect proxy settings for this network. I have been cautioned NOT to use the no proxy option, because it has a chance of rendering some websites unavailable. Not interested in messing up my browsing experience any worse than these recent Firefox updates have accomplished by themselves.

All these problems aside, my biggest disappointment is in the total lack of communication from Mozilla. While I value the Firefox ideology and the mission to provide a more private internet browsing experience, all this is worthless to me if my pages load at something akin to dial-up speeds.

At this juncture I have no choice but to use Google Chrome until someone can provide me with a workable solution, a solution that doesn't send me back to square one with all my saved Firefox information. If that is the only remedy, I might as well switch my default browser now and begin to re-acclimate myself to the changes.

Thanks.

Đã được hỏi bởi ProfessorCNut 1 năm trước

Đã được trả lời bởi ProfessorCNut 1 năm trước

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Firefox closes itself randomly

Hello I have Firefox (version 63, 64 bit) installed on a computer with over 50 Computers. A few months ago Firefox started an odd behavior. Sometimes shortly after startu… (xem thêm)

Hello I have Firefox (version 63, 64 bit) installed on a computer with over 50 Computers. A few months ago Firefox started an odd behavior. Sometimes shortly after startup or in the middle of surfing, Firefox just closes its Window. I checked, clearing the cache , with did nothing. Starting it in Safe Mode works fine. What should I do ?

Đã được hỏi bởi r4a5a88 1 năm trước

Đã được trả lời bởi r4a5a88 1 năm trước

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how do I stop autoplay of vids on yahoo.com news page. Settings do not work in autocofig media.autoplay = false anymore

I have u block origin already. I had media autoplay set to false. Now yahoo.com news autoplays vids (again). The autoplay literally started on October 24, 2018. 1- wh… (xem thêm)

I have u block origin already.

I had media autoplay set to false. Now yahoo.com news autoplays vids (again). The autoplay literally started on October 24, 2018. 1- what happened to allow autoplay on yahoo when it was successfully blocked all this time? 2- what can I do to stop video autoplay? Idiot level instructions please- set one go here type instructions. I already went the "add on" route. Flash blockers didn't work at all. All other "vid blockers" are for youtube and will not work on yahoo news as I tried hoping one would work.

Maybe I am stupid, but exactly WHAT settings are needed to stop autoplay on yahoo.com that are in ublock origin or in firefox about: config settings (media.autoplay =false), which doesn't seem to have any effect anymore. Is something else in about:config needed?

Site example where annoy vid autoplay now exists: https://www.yahoo.com/lifestyle/dont-want-attention-mother-6-year-old-boy-whose-birthday-party-guests-no-shows-speaks-185110033.html

FF version: 63.0 , 64 bit, windows 10, Dell Laptop

Đã được hỏi bởi Droxy 2 năm trước

Đã được trả lời bởi James 2 năm trước

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i use the firefox 22.0 vesion, but latest version are not supported the indian ESIC site, the new version are not supported edit function. ashishtripathi500@gma

i used the omd firefox version22.0. i want latest version but the latest version are not abale to edit function of employee personal details of ESIC. ESIC is insurance w… (xem thêm)

i used the omd firefox version22.0. i want latest version but the latest version are not abale to edit function of employee personal details of ESIC. ESIC is insurance website of Employee. this is goverment web and this is run only firefox. so i request to firefox team that the make able editable function on latest version of Firefox

www. esic.in - fully supported on old version (22.0) with edit function. but esic run smoothly on new version but edit function not working on new Firefox version. we want pls make edit function on new version. www.esic.in (employee personal details, bank details, discrepancy details, family details) thanks and regards Ashish kumar Sr HR Executive Vishnusaran and Company kanpur uttar pradesh


edited out phone# from public and search/spam bots view as this is a public forum.

Đã được hỏi bởi ashishtripathi500 1 năm trước

Đã được trả lời bởi taxaduq 1 năm trước