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Instructions for turning off cache are wrong. Do not have network.http.use-cache

I am trying to turn off my cache settings. The instructiuons given tell us to set 'network.http.use-cache in about:config. I have tried that, and that Preference name no … (xem thêm)

I am trying to turn off my cache settings.

The instructiuons given tell us to set 'network.http.use-cache in about:config.

I have tried that, and that Preference name no longer exists.

How is this achieved?

I need this for Automation Testing. Currently, cached data casuses tests to fail.

Đã được hỏi bởi stapes 2 năm trước

Đã được trả lời bởi McCoy 2 năm trước

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Some (rare) videos encoded with h264 stay black

Hi, It's the second time today i see a video with this codec (as stated by VLC) : H264 - MPEG-4 AVC (part 10) (avc1), that's not visible in Firefox, while it's audible. H… (xem thêm)

Hi,

It's the second time today i see a video with this codec (as stated by VLC) : H264 - MPEG-4 AVC (part 10) (avc1), that's not visible in Firefox, while it's audible. Here is the video url : https://web.poecdn.com/public/news/2018-05-02/VLS_news.mp4 Previous one that also didn't work : https://web.poecdn.com/public/news/2018-04-17/NewRainofArrows.mp4

Some working with the same codec, still as stated by VLC can be found here : https://www.pathofexile.com/forum/view-thread/2034078 ; Change : Different CDN, no sound in these video. For a direct video link, here's one : https://imgur.com/BySFQ45.mp4

Not sure what's the issue here, if there's something new unsupported in openh264 or if it's just an issue for some users. I know i'm not the only one experiencing it, cf. https://www.reddit.com/r/pathofexile/comments/8csmvo/skill_revamps_part_3/dxhi8f6/

Edit : Seems like Imgur uses x264 (http://www.videolan.org/x264.html) to encode their videos (ftypisom : MP4 Base Media v1 [IS0 14496-12:2003]), while GGG (poecdn) used something else (Mainconcept Video Media Handler ; ftypmp42 : MP4 v2 [ISO 14496-14]).

Edit² : Bug report.

Đã được hỏi bởi Harest 2 năm trước

Trả lời lần cuối bởi Harest 2 năm trước

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BUG IN Firefox 60.0 - since the update, impossible to read my digital newspaper

when I click on the frontpage, nothing happens now since the update. Also the arrow is gone to read the next page and it is impossible to consult the older newspapers (a… (xem thêm)

when I click on the frontpage, nothing happens now since the update. Also the arrow is gone to read the next page and it is impossible to consult the older newspapers (archive) - see examples.

By using Google Chrome everything is fine, no problems at all, I can read my newspaper as usual.

So the cause of this bug is Firefox!!!

Speedy Kepke

Đã được hỏi bởi SpeedyKepke 2 năm trước

Đã được trả lời bởi cor-el 2 năm trước

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YouTube History and (video progress bar) is not saved when I use Firefox as browser

Hi! There is a bug. YouTube History is not saved when i use Firefox as browser. So I deleted it and then reinstalled it, logged in to it and played videos from YouTube ag… (xem thêm)

Hi! There is a bug. YouTube History is not saved when i use Firefox as browser. So I deleted it and then reinstalled it, logged in to it and played videos from YouTube again. Then i checked again the history and saw that it was saving. Later without any changes in Firefox settings (including addons), the problem began starting again. I still don't understand why it is happening. The addons that i have installed are: Kaspersky Protection, Malwarebytes, uBlock Origin and Privacy Pass. This problem doesn't happen when i use Chrome Browser with same extensions.

Đã được hỏi bởi algent 1 năm trước

Đã được trả lời bởi algent 1 năm trước

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Firefox crashes

Both latest Firefox and Thunderbird fail to open and show crash report just after initialization with macOS Catalina Version 10.15 Beta (19A526h). I can not operate Firef… (xem thêm)

Both latest Firefox and Thunderbird fail to open and show crash report just after initialization with macOS Catalina Version 10.15 Beta (19A526h). I can not operate Firefox in Safe Mode because it crashes whenever I try to start it.

Đã được hỏi bởi paulhem 1 năm trước

Trả lời lần cuối bởi cor-el 1 năm trước

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Extensions disappearing

Currently using FF 63.0.1, but I'd hoped that upgrade would resolve the ongoing problem. Extensions work normally after reboot, but within a day, are again missing. Eg. s… (xem thêm)

Currently using FF 63.0.1, but I'd hoped that upgrade would resolve the ongoing problem.

Extensions work normally after reboot, but within a day, are again missing. Eg. scroll up/down initially available, but then symbols disappear from page. Others in toolbar look fine, but do not activate when I attempt to use them. When I restart FF, it's back to functioning, but only for a short time. frustrated.

Đã được hỏi bởi maveet 1 năm trước

Đã được trả lời bởi maveet 1 năm trước

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firefox is crashing and its not even open

I'll leave my PC alone and out of no where the firefox has crashed box will have pop up. This time I had TWO open and I havn't even use firefox in over 8 hours so how is … (xem thêm)

I'll leave my PC alone and out of no where the firefox has crashed box will have pop up. This time I had TWO open and I havn't even use firefox in over 8 hours so how is it crashing IF i don't have it open seem slike they have somthing running when it shouldn't

Đã được hỏi bởi furydeath9 1 năm trước

Đã được trả lời bởi furydeath9 1 năm trước

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Import passwords

I hate that I have to ask this.... I have been trying to import my username/passwords from Chrome to Firefox for weeks. I'm using the Firefox built in Import tool. It jus… (xem thêm)

I hate that I have to ask this.... I have been trying to import my username/passwords from Chrome to Firefox for weeks. I'm using the Firefox built in Import tool. It just simply doesn't work. A couple of weeks ago it did actually import 1 site/username/password. Then today I was able to get 1 more. Both of these were sites that I used Chrome to sign into recently, like it cached them or something and thus were able to be imported into Firefox. But all the others that are saved in Chrome will not come over. I just don't get it. There is really nothing to it, so I know I'm doing it right. Options>>Privacy & Security>>Saved Logins>>Import>>>Select Chrome as browser to import from>>(Deselect cookies, browsing history, bookmarks) Saved Passwords selected>>Next>>Finished. Nothing.

Maybe I should uninstall Firefox and reinstall it and see I can do it from a fresh install. I don't know. Very frustrating.

Version 66.0.3 64 bit.

Thanks

Đã được hỏi bởi das3d 1 năm trước

Đã được trả lời bởi das3d 1 năm trước

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Copy bookmark folder with subfolders to another Firefox instance

This dirty trick required to move a single bookmark folder from one Firefox profile to another stopped working for me for some reason. I tried different firefox versions,… (xem thêm)

This dirty trick required to move a single bookmark folder from one Firefox profile to another stopped working for me for some reason. I tried different firefox versions, including the one from portableapps.com, I tried starting the second instance with -no-remote switch. Nothing worked. When I tried drag&drop between the instances there was the blue feedback dash indicating the place where the folder was going to be dropped in the target Library window. But nothing happened. I tried holding Ctrl as well, also using Ctrl+C - Ctrl+V key combinations.

Is this a known issue? Has a recent version of Firefox removed this ability?

Đã được hỏi bởi effgo 1 năm trước

Đã được trả lời bởi cor-el 1 năm trước

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Web pages load slowly.

Web pages are loading painfully slowly, 11-34 seconds, some never load before timing out. Other browser (Edge) is loading pages quickly. Internet connection reasonably … (xem thêm)

Web pages are loading painfully slowly, 11-34 seconds, some never load before timing out. Other browser (Edge) is loading pages quickly. Internet connection reasonably fast (35.7 Mbps). I tried the following:

  - Safe Mode, no change.
  - Refreshed Firefox, no change.
  - Disabled Antivirus and Firewall, no change.
  - Disabled Network Proxy, no change.
  - Content Process Limit set at 8.
  - Firefox is using 550 MB of memory (out of 10.2 GB)

There are instances when Firefox does load pages quickly, but they are increasingly infrequent and not predictable.

Đã được hỏi bởi moldyfly 10 tháng trước

Đã được trả lời bởi cor-el 10 tháng trước

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What is this: <meta property="og:url" content="https://www.mozilla.org/zh-TW/about/"> FF looks for PWs?

<meta charset="utf-8"> <script charset="utf-8" src="https://www.mozilla.org/media/js/BUNDLES/site.133e404d326d.js" type="text/javascript"></s… (xem thêm)

<meta charset="utf-8"> <script charset="utf-8" src="https://www.mozilla.org/media/js/BUNDLES/site.133e404d326d.js" type="text/javascript"></script> <meta content="width=device-width, initial-scale=1" name="viewport"> <title>了解 Mozilla — Mozilla</title> <meta content=" Mozilla 看重人們大過利益,來打造瀏覽器、應用程式、程式碼與各種工具。我們的使命是保持網際網路開放,讓任何人都能隨意使用。 " name="description"> <meta content="website" property="og:type"> <meta content="Mozilla" property="og:site_name"> <meta content="zh_TW" property="og:locale"> <meta content="https://www.mozilla.org/zh-TW/about/" property="og:url"> <meta content="https://www.mozilla.org/media/img/mozorg/mozilla-256.4720741d4108.jpg" property="og:image"> <meta content="了解 Mozilla" property="og:title"> <meta content=" Mozilla 看重人們大過利益,來打造瀏覽器、應用程式、程式碼與各種工具。我們的使命是保持網際網路開放,讓任何人都能隨意使用。 " property="og:description"> <meta content="262134952380" property="fb:page_id"> <meta content="summary" name="twitter:card"> <meta content="@mozilla" name="twitter:site"> <meta content="mozilla.org" name="twitter:domain"> <meta content="Firefox" name="twitter:app:name:googleplay"> <meta content="org.mozilla.firefox" name="twitter:app:id:googleplay"> <meta content="Firefox" name="twitter:app:name:iphone"> <meta content="989804926" name="twitter:app:id:iphone"> <meta content="Firefox" name="twitter:app:name:ipad"> <meta content="989804926" name="twitter:app:id:ipad"> <link href="https://www.mozilla.org/media/img/favicons/mozilla/apple-touch-icon.8cbe9c835c00.png" rel="apple-touch-icon" sizes="180x180" type="image/png"> <link href="https://www.mozilla.org/media/img/favicons/mozilla/favicon-196x196.2af054fea211.png" rel="icon" sizes="196x196" type="image/png"> <link href="https://www.mozilla.org/media/img/favicons/mozilla/favicon.d25d81d39065.ico" rel="shortcut icon"> <link href="https://www.mozilla.org/zh-TW/about/" rel="canonical"> <link href="https://www.mozilla.org/en-US/about/" hreflang="x-default" rel="alternate"> <link href="https://www.mozilla.org/be/about/" hreflang="be" rel="alternate" title="Беларуская"> <link href="https://www.mozilla.org/bs/about/" hreflang="bs" rel="alternate" title="Bosanski"> <link href="https://www.mozilla.org/cs/about/" hreflang="cs" rel="alternate" title="Čeština"> <link href="https://www.mozilla.org/cy/about/" hreflang="cy" rel="alternate" title="Cymraeg"> <link href="https://www.mozilla.org/da/about/" hreflang="da" rel="alternate" title="Dansk"> <link href="https://www.mozilla.org/de/about/" hreflang="de" rel="alternate" title="Deutsch"> <link href="https://www.mozilla.org/el/about/" hreflang="el" rel="alternate" title="Ελληνικά"> <link href="https://www.mozilla.org/en-CA/about/" hreflang="en-CA" rel="alternate" title="English (Canadian)"> <link href="https://www.mozilla.org/en-GB/about/" hreflang="en-GB" rel="alternate" title="English (British)"> <link href="https://www.mozilla.org/en-US/about/" hreflang="en" rel="alternate" title="English"> <link href="https://www.mozilla.org/en-US/about/" hreflang="en-US" rel="alternate" title="English (USA)"> <link href="https://www.mozilla.org/es-AR/about/" hreflang="es-AR" rel="alternate" title="Español (de Argentina)"> <link href="https://www.mozilla.org/es-CL/about/" hreflang="es-CL" rel="alternate" title="Español (de Chile)"> <link href="https://www.mozilla.org/es-ES/about/" hreflang="es" rel="alternate" title="Español"> <link href="https://www.mozilla.org/es-ES/about/" hreflang="es-ES" rel="alternate" title="Español (de España)"> <link href="https://www.mozilla.org/es-MX/about/" hreflang="es-MX" rel="alternate" title="Español (de México)"> <link href="https://www.mozilla.org/eu/about/" hreflang="eu" rel="alternate" title="Euskara"> <link href="https://www.mozilla.org/fr/about/" hreflang="fr" rel="alternate" title="Français"> <link href="https://www.mozilla.org/fy-NL/about/" hreflang="fy" rel="alternate" title="Frysk"> <link href="https://www.mozilla.org/fy-NL/about/" hreflang="fy-NL" rel="alternate" title="Frysk"> <link href="https://www.mozilla.org/gn/about/" hreflang="gn" rel="alternate" title="Avañe'ẽ"> <link href="https://www.mozilla.org/hu/about/" hreflang="hu" rel="alternate" title="magyar"> <link href="https://www.mozilla.org/ia/about/" hreflang="ia" rel="alternate" title="Interlingua"> <link href="https://www.mozilla.org/id/about/" hreflang="id" rel="alternate" title="Bahasa Indonesia"> <link href="https://www.mozilla.org/it/about/" hreflang="it" rel="alternate" title="Italiano"> <link href="https://www.mozilla.org/ka/about/" hreflang="ka" rel="alternate" title="ქართული"> <link href="https://www.mozilla.org/lt/about/" hreflang="lt" rel="alternate" title="Lietuvių"> <link href="https://www.mozilla.org/nb-NO/about/" hreflang="nb-NO" rel="alternate" title="Norsk bokmål"> <link href="https://www.mozilla.org/nl/about/" hreflang="nl" rel="alternate" title="Nederlands"> <link href="https://www.mozilla.org/nn-NO/about/" hreflang="nn-NO" rel="alternate" title="Norsk nynorsk"> <link href="https://www.mozilla.org/pl/about/" hreflang="pl" rel="alternate" title="Polski"> <link href="https://www.mozilla.org/pt-BR/about/" hreflang="pt-BR" rel="alternate" title="Português (do Brasil)"> <link href="https://www.mozilla.org/pt-PT/about/" hreflang="pt" rel="alternate" title="Português"> <link href="https://www.mozilla.org/pt-PT/about/" hreflang="pt-PT" rel="alternate" title="Português (Europeu)"> <link href="https://www.mozilla.org/rm/about/" hreflang="rm" rel="alternate" title="rumantsch"> <link href="https://www.mozilla.org/ro/about/" hreflang="ro" rel="alternate" title="Română"> <link href="https://www.mozilla.org/ru/about/" hreflang="ru" rel="alternate" title="Русский"> <link href="https://www.mozilla.org/sk/about/" hreflang="sk" rel="alternate" title="slovenčina"> <link href="https://www.mozilla.org/sl/about/" hreflang="sl" rel="alternate" title="Slovenščina"> <link href="https://www.mozilla.org/sq/about/" hreflang="sq" rel="alternate" title="Shqip"> <link href="https://www.mozilla.org/sr/about/" hreflang="sr" rel="alternate" title="Српски"> <link href="https://www.mozilla.org/sv-SE/about/" hreflang="sv" rel="alternate" title="Svenska"> <link href="https://www.mozilla.org/sv-SE/about/" hreflang="sv-SE" rel="alternate" title="Svenska"> <link href="https://www.mozilla.org/tr/about/" hreflang="tr" rel="alternate" title="Türkçe"> <link href="https://www.mozilla.org/uk/about/" hreflang="uk" rel="alternate" title="Українська"> <link href="https://www.mozilla.org/vi/about/" hreflang="vi" rel="alternate" title="Tiếng Việt"> <link href="https://www.mozilla.org/zh-CN/about/" hreflang="zh" rel="alternate" title="中文"> <link href="https://www.mozilla.org/zh-CN/about/" hreflang="zh-CN" rel="alternate" title="中文 (简体)"> <link href="https://www.mozilla.org/zh-TW/about/" hreflang="zh-TW" rel="alternate" title="正體中文 (繁體)"> <link href="https://www.mozilla.org/media/css/l10n/zh-TW/intl.5ca4d5c6b3f5.css" media="screen,projection,tv" rel="stylesheet"> <link href="https://www.mozilla.org/media/css/BUNDLES/protocol-core.9e72b5c2515e.css" rel="stylesheet" type="text/css"> <link href="https://www.mozilla.org/media/css/BUNDLES/about.a17e2dfef87d.css" rel="stylesheet" type="text/css">

Đã được hỏi bởi Jan Christian Anker 6 tháng trước

Đã được trả lời bởi jscher2000 6 tháng trước

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Adobe flash will not remain active on our 24h emergency medical web site, need it to alert us to medical data

We have medical data coming in 24/7. Our alarm runs off flash. Since the update there isn't a choice to "allow and remember", which is causing us to have to remember to… (xem thêm)

We have medical data coming in 24/7. Our alarm runs off flash. Since the update there isn't a choice to "allow and remember", which is causing us to have to remember to refresh the page constantly. A big problem for the night-staff, problem for the day-staff also as we keep forgeting and data is not alarming. PLEASE HELP!!

Đã được hỏi bởi KCop 1 năm trước

Trả lời lần cuối bởi James 10 tháng trước

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Firefox crashes when I minimize window being presented in Google Meet. How do I fix/prevent this from happening?

Description of the problem is as follows: 1) I start a presentation on Google Meet 2) I choose to present one of my open windows (*not* entire screen) 3) window is being … (xem thêm)

Description of the problem is as follows: 1) I start a presentation on Google Meet 2) I choose to present one of my open windows (*not* entire screen) 3) window is being presented, just fine, 4) If I *minimize* the window being presented, the tab crashes. 5) the problem does not occur if I present the entire screen, rather it has to do with the window being presented becoming minimized.

Win10/drivers/Firefox all up to date - problem persists even in Firefox's Safe Mode.

Đã được hỏi bởi DCV 7 tháng trước

Đã được trả lời bởi DCV 7 tháng trước

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Firefox cannot load a Web site

Hi, I'm reporting that firefox, firefox ERS and firefox developer edition (all latest version) are not able to load the Web site https://www.klaytn.com/. While the Web si… (xem thêm)

Hi,

I'm reporting that firefox, firefox ERS and firefox developer edition (all latest version) are not able to load the Web site https://www.klaytn.com/. While the Web site works well with qupzilla and chromium browser (brave). I already tried all the step in the official documentation (fresh empty profile).

Thank you

Đã được hỏi bởi erotavlas 1 năm trước

Trả lời lần cuối bởi erotavlas 1 năm trước

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ALERT !!!!!!!! Firefox needs to be more secure for the add-ons section.

Hi, For the add-ons section, I think all the add-ons should be scanned. ================= it is not my fault that if I download an add-on, it turns out to be a malicious… (xem thêm)

Hi, For the add-ons section, I think all the add-ons should be scanned.

=================

it is not my fault that if I download an add-on, it turns out to be a malicious add-on that executes remote codes. You are telling me: "This is not monitored for security through Mozilla's Recommended Extensions program. Make sure you trust it before installing." How can I trust it if I don't know anything about it?? or if it is new? -Most of people here who are downloading add-ons are normal users like me, not people who understand codes and developing.- Read reviews?? Do I understand from you that some people have to sacrifice for us so the rest can know if it is bad or good add-on? And by the way Reading reviews is not enough, For example Few months ago I downloaded a VPN similar to another one, lots of reviews say it is good, so I used it for maybe 1 month then I disabled it and stopped using it. Today I look at it in the disabled add-ons list, I find this message: "VPN has been disabled due to security or stability issues." I read more information about it, it turned out that it was executing remote codes....... That means I shouldn't even trust reviews!! Nothing happened to my firefox browser, but (it may happen) in the future, because of the already executed remote codes or or maybe those codes stole some information about me,....I don't know, but it may get worse who knows what those executed codes do.....

=============================

Now after I provided my (((important))) suggestion, I need an advice please what should I do now?? Should I now reinstall this browser and clean it and remove all of the history? Or change my passwords in ((every site)) I visited?? or what? Thank You Very Much.

Đã được hỏi bởi ­ 6 tháng trước

Trả lời lần cuối bởi ­ 6 tháng trước

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Movie Trailers or Clips will not play on Metacritic

Movie trailers will not auto-play after the 30 second intro ad. After the ad the video remains blank. This problem also exists when Firefox is restarted in safe mode. Wor… (xem thêm)

Movie trailers will not auto-play after the 30 second intro ad.

After the ad the video remains blank.

This problem also exists when Firefox is restarted in safe mode.

Works fine when using other browsers such as Chrome or Edge!

Please look into this!

Đã được hỏi bởi DeanA320 1 năm trước

Đã được trả lời bởi DeanA320 1 năm trước

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How do I reconstruct a profile?

My profile appears to be corrupted. Newly created bookmarks disappear when the session is ended and new one is started. If I create a new profile and copy the contents of… (xem thêm)

My profile appears to be corrupted. Newly created bookmarks disappear when the session is ended and new one is started. If I create a new profile and copy the contents of the old one, the problems come with it. I've tried removing add-ons, but none seem to be the cause. Safe mode works, but that's not a long-term solution. I've reinstalled FF, but copying the profile brings the problems with it.

My latest attempt is to create a new profile and import bookmarks, creating a new places.sqlite file. I copied a variety of other files (prefs.js, extentions*, key3.db, key4.db) and so far everything still works.

There's one issue with extensions.json and extensions.sqlite. These point to the extensions directory of the old, corrupted profile. This works, but obviously is not desirable. It's easy to do a find/replace on the .json file, but without changing the the .sqlite file this breaks extensions. Fixing the .sqlite file is harder (at least for me), but do-able. Is that the right solution?

Or is there a better way to reconstruct a corrupted profile?

Đã được hỏi bởi firefox179 11 tháng trước

Trả lời lần cuối bởi firefox179 11 tháng trước

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Firefox crashes

Firefox crashes at startup. I'm in a macOS beta program and the crashing begun immediately after a recent OS update on 8/2/19. I've tried wiping all application files a… (xem thêm)

Firefox crashes at startup. I'm in a macOS beta program and the crashing begun immediately after a recent OS update on 8/2/19. I've tried wiping all application files and reinstalling Firefox, but it continues to crash at startup.

Crash ID: bp-79eb6f5a-fc88-4d32-ae51-231e70190804

Đã được hỏi bởi bgcasey 1 năm trước

Đã được trả lời bởi bgcasey 1 năm trước