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XML Parsing Error: no element found

Hi, I've just installed the latest Firefox update (84.0) and now I get the following message where my bookmarks sidebar should be: XML Parsing Error: no element found Loc… (Lesen Sie mehr)

Hi,

I've just installed the latest Firefox update (84.0) and now I get the following message where my bookmarks sidebar should be:

XML Parsing Error: no element found Location: chrome://browser/content/places/bookmarksSidebar.xhtml Line Number 1, Column 1:

The history sidebar works, just not the bookmarks one.

Does anyone have any idea how to fix it?

Debbie

Gefragt von ffsync.sw vor 1 Jahr

Beantwortet von ffsync.sw vor 1 Jahr

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Embedded youtube videos not playing, An error occurred. Please try again later. Youtube layout issues

Hi, first of thanks for reading and possibly responding. The issue I am having has been going on for a few days. In websites where youtube video's are embedded if I try a… (Lesen Sie mehr)

Hi, first of thanks for reading and possibly responding.

The issue I am having has been going on for a few days. In websites where youtube video's are embedded if I try and play the video on the said site it will load and display an error message An error occurred. Please try again later. If I visit the video on youtube, link provided in the video itself, then it plays just fine. Error is not restricted to one site but anything that embeds youtube videos.

I have also come across some strange youtube.com issues, when I am on the main website you get the thumbnails of video's but no time duration are displayed in the thumbnail, neither are the 3 dots where you can have one of the videos removed (not a big deal and maybe this was implemented a while ago I don't know tbh). When I play a video, as in visit the video page on youtube the side bar videos sometimes do and sometimes don't display time duration.

Please check attached image to see what I mean. Left is without said timecodes, right is what it almost should be.

What addons do I use: Ublock Origin is the only one worth noting but even without it the weird thing still occurs. I don't use any plug ins that correspond with youtube.

I am using the latest Firefox on Windows 10.

Things I have tried thus far to resolve it: - make sure Firefox is up to date - try with and without addblocker (Ublock) - remove Adobe flash entirely - refresh Firefox and clear all data and cookies 9tried this I think 3 times now, no change) - looked through older posts with similar issues but most links regarding html5 on youtube were 404 and sometimes the solution stated things like 'cause by some video helped addon' which I do not use or updating Flash

Am I the only one with this issue?

Gefragt von WaffleToaster vor 1 Jahr

Beantwortet von WaffleToaster vor 1 Jahr

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MEDIA_ERR_SRC_NOT_SUPPORTED

Hi, Could you please help me??? Since i uninstall Flash player in January, i have a lot issue to watch a video on Mozilla! For a lot of website (facebook included) the v… (Lesen Sie mehr)

Hi,

Could you please help me???

Since i uninstall Flash player in January, i have a lot issue to watch a video on Mozilla! For a lot of website (facebook included) the video doesn't load. On Youtube i can watch a video but not the lives. Also I had few time this error message : MEDIA_ERR_SRC_NOT_SUPPORTED

I already tried to uninstall Firefox and install again.

BTW i'm on Windows 10, not on Linux.

Gefragt von toms_666 vor 1 Jahr

Beantwortet von FredMcD vor 1 Jahr

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Secure Connection Failed - PR_END_OF_FILE_ERROR

Immediately on update to 96.0 this afternoon, multiple sites failed to load - Google(Maps, News etc), Yahoo, Flightradar24 etc - others partially loaded - then sat there … (Lesen Sie mehr)

Immediately on update to 96.0 this afternoon, multiple sites failed to load - Google(Maps, News etc), Yahoo, Flightradar24 etc - others partially loaded - then sat there blank. Explanation of errors is NOT clear -

Is it possible to revert to previous version? Everything seems to work fine when using EDGE!

Gefragt von randb08 vor 10 Monaten

Beantwortet von FredMcD vor 10 Monaten

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Video playback "Video can't be played because the file is corrupt" despite the file being perfectly fine.

So I've noticed how some video files are able to be played back in Firefox. Some are not able to what so ever, for example I've created a text video using this FFPMEG com… (Lesen Sie mehr)

So I've noticed how some video files are able to be played back in Firefox. Some are not able to what so ever, for example I've created a text video using this FFPMEG command: ffmpeg -f lavfi -i testsrc=duration=10:size=1280x720:rate=30 testsrc.mp4

which created the following file: https://astolfo.nl/i/z2ada.mp4 Both the uploaded version and the local .mp4 are unable to be played back in Firefox. However opening them up in edge chromium both files play back perfectly. Besides Edge I've also confirmed it plays back nicely in MPV.

I've tried Hardware acceleration, but both having it on and off did not change the fact that these files wouldn't want to playback in Firefox. Safe mode also did not effect this issue.

Gefragt von dapal003 vor 1 Jahr

Beantwortet von jscher2000 - Support Volunteer vor 1 Jahr

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Videos playing slow

Hello! On a certain adult website, all the videos play verrrry slooooly. YouTube videos play fine. And this certain site works fine when I try it with Chrome. I recently … (Lesen Sie mehr)

Hello! On a certain adult website, all the videos play verrrry slooooly. YouTube videos play fine. And this certain site works fine when I try it with Chrome. I recently added a bunch of adblockers like Ghostery and Adblocker plus and Badger and Decentraleyes and HTPPS Everywhere. Is the problem with one of these? What can I do to get the videos to play at full speed?

Thanks in advance!

John

Gefragt von yohejohn vor 1 Jahr

Beantwortet von FredMcD vor 1 Jahr

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Firefox downloading 0 byte htm files moz-safe-about resources

I was watching anime today on some site and my firefox was downloading many files without my knowledge into my download folder. I'm worried that it can be some viruses? T… (Lesen Sie mehr)

I was watching anime today on some site and my firefox was downloading many files without my knowledge into my download folder. I'm worried that it can be some viruses? This is a screenshoot. Should i be worried? Thank you for help.

Gefragt von t.martynik vor 7 Monaten

Letzte Antwort von bkilinc vor 1 Monat

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Firefox keep redirecting localhost to www or www.localhost:8000

Hi, I'm using Firefox 85.0.2(64-bit) Windows 10 While I'm testing local testing for website, whenever I typed/entered localhost OR localhost:8000 Firefox keep redirecting… (Lesen Sie mehr)

Hi, I'm using Firefox 85.0.2(64-bit) Windows 10

While I'm testing local testing for website, whenever I typed/entered localhost OR localhost:8000 Firefox keep redirecting/guesing subdomain for it(which="www"). Made my testing messed up.

There's same issue on https://support.mozilla.org/en-US/questions/1216065 None of those work.

set: browser.fixup.alternate.enabled to false or Connection Settings with No proxy

Please, stop. Chrome and Edge behave normally. This site need darkmode :/

Gefragt von prothegee vor 1 Jahr

Beantwortet von prothegee vor 1 Jahr

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Firefox does not load any pages or settings or login for firefox account

Hi everyone, Thanks a lot for taking time reading this! :) I have the following problem with my firefox on Kubuntu 20.04 on my laptop: since a couple of weeks, firefox op… (Lesen Sie mehr)

Hi everyone,

Thanks a lot for taking time reading this! :)

I have the following problem with my firefox on Kubuntu 20.04 on my laptop: since a couple of weeks, firefox opens normaly after rebooting, remembered all tabs and my firefox account etc., but it's just not loading anything. I can still type in a web adress or something in the search, I can also still select the drop-down menu on the right ("Open menu") and select e.g. "Settings", but nothing happens afterwords. Same problem for all websites. Some of the main buttons are also not functional (refresh, back/forward). I attached a screenshot from the "empty" firefox (but not sure if that's of any help anyways ;) ).

I tested a couple of things so far, nothing helped:

1) Internet is working, I tested ping, apt is working as well as a differnt browser I installed now).

2) I reinstalled firefox completely by running the following commands:

      sudo apt update
      sudo apt purge firefox // sudo apt --purge autoremove firefox
      sudo rm -rf .mozilla
      reboot
      sudo apt update
      sudo apt install firefox
      (Since I removed the profile folder, the standard tab and bookmarks open/show after starting firefox now, as expeced. I'm also not longer logged in.)

3) By starting firefox via the console, no error messages were shown

4) I created a second ubuntu unser profile, to test if firefox would work there: it doesn't

5) Since I have a dualboot with Win10/Kubuntu 20.04, I started Windows and tested firefox there: it is working as usual.

6) I also obviously tried to google this problem, but either I put the wrong keywords in or this problem is pretty unique/new?

If you need any further information on my system, I'm happy to provide them! Thanks a lot for any recommendations and further ideas, what to do! I'm pretty much desperate for a solution by now, as during home office a not well working system is a pain! ;)

Thanks and stay safe, Katrin

Gefragt von Kaddi vor 1 Jahr

Beantwortet von TyDraniu vor 1 Jahr

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Fire Fox is really slow to start

Hello my number 1 browser community. I have a problem with fire fox starting super slow. I use firefox nightly(i love it!) but i tried all the stuff in the solutions area… (Lesen Sie mehr)

Hello my number 1 browser community. I have a problem with fire fox starting super slow. I use firefox nightly(i love it!) but i tried all the stuff in the solutions area for fixing slow start up but none of them help. I always use only 2 add ons and they are the same add ons i have been using for years. i have had this problem for like almost 2 years and i dont know what to do. i tried re-installing, refreshing, clearing cache, safe mode but nothing fixes it. The 2 add ons i use is ublock origin and https everywhere, please help me guys cause sometimes it takes up to even 4 mins for firefox to start.

Gefragt von miggz vor 1 Jahr

Beantwortet von ·´¯`·...¸>-)))º> ~dbben vor 1 Jahr

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DRM content won't play

After installing the DRM content through the browser I still cannot play any videos on Netflix or Udemy. I have run this website (https://www.jeffersonscher.com/sumo/htm… (Lesen Sie mehr)

After installing the DRM content through the browser I still cannot play any videos on Netflix or Udemy.

I have run this website (https://www.jeffersonscher.com/sumo/html5-video.html) from previous answers to check and the results are attached to the question.

I have also checked media.eme.enabled and it is set to true.

I am very much puzzled by this.

Gefragt von Alex vor 1 Jahr

Beantwortet von jonzn4SUSE vor 1 Jahr

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firefox opens off screen

On new laptop with Windows 10, with an external monitor in extended desktop mode, Firefox is opening partially off screen such that the top bar is inaccessible so I canno… (Lesen Sie mehr)

On new laptop with Windows 10, with an external monitor in extended desktop mode, Firefox is opening partially off screen such that the top bar is inaccessible so I cannot drag it back on screen. If I close it and reopen, it will usually be back on screen. How can I fix this?

Perhaps related: tabs are not reopened and Restore Previous Session does not work.

There are no extensions open.

Thank you for assistance.

Gefragt von David400 vor 1 Jahr

Beantwortet von Colin M vor 1 Jahr

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Widevine Content Decryption Module will not install

Hi, I had to delete all my profiles and completely reinstall Firefox because Firefox was not changing the color of previous websites to purple no matter what I tried. I t… (Lesen Sie mehr)

Hi,

I had to delete all my profiles and completely reinstall Firefox because Firefox was not changing the color of previous websites to purple no matter what I tried. I thought I could delete the profiles and create a brand new one to start over fresh.

After reinstalling Firefox (latest version) I have run into a problem where under <about:addons> <Plugins> it shows a yellow box and an error saying "Widevine Content Decryption Module provided by Google Inc. will be installed shortly".

This message won't go away and Widevine will not be installed at all. I cannot browse and Netflix, Hulu, HBO Max etc.

I have tried unchecking and checking the <Play DRM-controlled content> under <about:preferences> which does not work.

I have also tried going to this (link)link and manually installing it but the webpage for my OS's .zip file won't load for me.

Gefragt von justin1018 vor 1 Jahr

Beantwortet von justin1018 vor 1 Jahr

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How to make scroll bar always visible and functional?

This page https://www.nacocanada.com/cpages/common-docs is broken and has a newsletter sign up overlay that can't be closed. So i hide the element with uBlock origin but… (Lesen Sie mehr)

This page https://www.nacocanada.com/cpages/common-docs is broken and has a newsletter sign up overlay that can't be closed. So i hide the element with uBlock origin but the underlying page still doesn't scroll. If i make the window taller more content appears, so it is there.

How do I force enable the scroll bar for all websites or at least this one?

Gefragt von codywohlers vor 1 Jahr

Beantwortet von cor-el vor 1 Jahr

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Unable to search the internet with Google

Suddenly I am no longer able to launch any internet searches. Using google (normally) or bing I receive one of two messages, "Deceptive site" warning or "Server not foun… (Lesen Sie mehr)

Suddenly I am no longer able to launch any internet searches. Using google (normally) or bing I receive one of two messages, "Deceptive site" warning or "Server not found"??????????????????????

Gefragt von mg13kortum vor 1 Jahr

Beantwortet von jscher2000 - Support Volunteer vor 1 Jahr

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Not loading any pages and cant can't open settings

Yesterday I was using Firefox normally (browsing, Discord, etc.). Today when I opened it, it wouldn't load any page. If I type something in the adress bar it will auto-co… (Lesen Sie mehr)

Yesterday I was using Firefox normally (browsing, Discord, etc.). Today when I opened it, it wouldn't load any page. If I type something in the adress bar it will auto-complete or show suggestions based on google, but when I hit enter, nothing happens. It doesn't even try to load anything. I also can't go into options. When I click on the options button, nothing happens. I am not running in any compatibility modes. I have tried reinstalling Firefox, didn't help. I am not using any add-ons. I have done several virus searches. Other browsers work fine. I'm running out of ideas now, that's why I'm doing this post.

Gefragt von blockbuster2033 vor 1 Jahr

Beantwortet von blockbuster2033 vor 1 Jahr

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Getting 404 error on my banking site

I've been using my banking site for many years on my desktop computer. Today the site comes up but when I try to log in I get a "404" error message. I tried logging in wi… (Lesen Sie mehr)

I've been using my banking site for many years on my desktop computer. Today the site comes up but when I try to log in I get a "404" error message. I tried logging in with Edge and there was no problem. I have deleted all my banking cookies on Mozilla and the result is the same. This is a major problem and I would appreciate any suggestions.

Gefragt von pdlc1204 vor 1 Jahr

Beantwortet von Terry vor 1 Jahr

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Firefox fails to download any file, download immediately fails.

Hello Whenever I start a download, it immediately crashes, no matter what you do all downloads fail. Tried solutions that didn't work: refresh ff, delete profiles, un… (Lesen Sie mehr)

Hello Whenever I start a download, it immediately crashes, no matter what you do all downloads fail. Tried solutions that didn't work:

  • refresh ff,
  • delete profiles,
  • uninstall + reinstall.

Gefragt von JFM02FFP2NR vor 11 Monaten

Beantwortet von JFM02FFP2NR vor 11 Monaten