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Can't play videos in Twitter

Videos on Twitter don't play, "The message This browser does not support video playback." appears on the center of a screenshot of the video. Twitter Videos play normally… (閱讀更多)

Videos on Twitter don't play, "The message This browser does not support video playback." appears on the center of a screenshot of the video. Twitter Videos play normally on Chrome. YouTube videos play normally on Firefox.

I have the latest version of Firefox and all the plugins are up to date (Java, Flash Player etc). I have experimented changing Hardware Acceleration Where Available box, the media.windows-media-foundation.enabled attribute, clearing the caches, opening in safe mode, nothing makes the videos play.


Is there anyone who has had the same problem and managed to solve it. Thank you.

Asked by offshade 4 年前

Last reply by jscher2000 4 年前

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Customize isn't working and LastPass icon isn't appearing

On two different profiles, the Customize option simply isn't working. I see three different places on the GUI to click on Customize, and none works. Nothing happens when … (閱讀更多)

On two different profiles, the Customize option simply isn't working. I see three different places on the GUI to click on Customize, and none works. Nothing happens when I click on them, beyond the letters "Customize" appearing at the top of a tab.

After appearing earlier this evening, the LastPass icon is also failing to appear on both profiles.

Asked by conceptualclarity 4 年前

Last reply by FredMcD 4 年前

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I cannot copy and paste properly or edit pasted text

for the past few weeks Firefox has been really hard to Copy & Paste text from one page to another, then editing the text is impossible - I can paste lines of text but… (閱讀更多)

for the past few weeks Firefox has been really hard to Copy & Paste text from one page to another, then editing the text is impossible - I can paste lines of text but only one goes in the box - then when I try to edit or manipulate the text it just screws up :/

It does not matter if I use context menus or Keyboard commands to copy & paste (CTRL C& V)

I've been using Firefox for about 10 years and NEVER had this issue - I have tried the stuff in ABOUT:CONFIG CONTEXT and even in SAFE MODE the issue exists :/

I tried to screen record the fault but that's pointless because you cant see that my key presses are being totally ignored in the text box - all you would hear is me swearing the computer

Anyone else having this issue?

WTH is happening

I don't want to switch browsers as all my devices sync but this is getting really bad and makes working on my business blog virtually impossible.

Been in I.T. for 28 years and never seen anything like this before!

Asked by skpManiac 4 年前

Last reply by jscher2000 4 年前

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Firefox unable to load google related websites - Youtube and Google

Hello, I am having some issues using any google related websites. Sometimes when I try to perform a search on google, or load a video on youtube, it simply wont load anyt… (閱讀更多)

Hello,

I am having some issues using any google related websites. Sometimes when I try to perform a search on google, or load a video on youtube, it simply wont load anything. At first I tought I had internet issues, but I dont not. As soon as Firefox wont load Youtube or perform a search on google, if I try this at Chrome I can do it with no problems. So the problem is in Firefox, since at Chrome and IE there are no issues at all.

I have all my plugins updated on Firefox. Anyone could help me regarding this issue?

Asked by kalamarano 4 年前

Last reply by 2101bob 4 年前

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403 Forbidden : You don't have permission to access / on this server.

Hello, I am trying to Browsing some site but my Browser Showing the Below Error: [Forbidden You don't have permission to access / on this server. Additionally, a 403 Forb… (閱讀更多)

Hello,

I am trying to Browsing some site but my Browser Showing the Below Error:

[Forbidden

You don't have permission to access / on this server.

Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.]

Here is the Sites : http://www.webmd.com/ http://www.epenisbook.com/ http://www.health.com/

I am not only Facing this problem for this site. There are many sites showing this problem every day. I see this is only for me. My Friends can brows easily that sites.

So How I can Solve this Problem ?

Asked by c.jasonk 4 年前

Last reply by drwin 4 年前

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https://support.mozilla.org/ comes up as a blank page on FF 40.0.3, as do other locked sites.

The mail support.mozilla.org page comes up blank in Firefox. If I use Chrome, it will display!!! In fact, in order to register with Mozilla support to ask this question, … (閱讀更多)

The mail support.mozilla.org page comes up blank in Firefox. If I use Chrome, it will display!!! In fact, in order to register with Mozilla support to ask this question, I had to use the Chrome browser! Unfortunately, the same is true for many sites with the green lock on the address. They will not display in Firefox but will in Chrome. As FF is my default browser, this is extremely annoying and has only started with the latest versions of the browser. Is there a fix for this problem? Thank you.

Asked by tianneis 4 年前

Last reply by Tonnes 4 年前

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A Fresh installation of Firefox Hangs my Computer

I am running Windows 10, and have recently started experiencing trouble with Firefox. After trying a lot of other solutions from the support forums (including creating a… (閱讀更多)

I am running Windows 10, and have recently started experiencing trouble with Firefox. After trying a lot of other solutions from the support forums (including creating a new Firefox profile), I uninstalled and reinstalled Firefox from a fresh download. I experience the same trouble: very shortly after starting Firefox, I hear constant disk activity, and Firefox becomes unresponsive. My only choice at that point is to end the program using the red "X" (program close button). As soon as I do this the disk activity ends and the computer runs normally.

I cannot include troubleshooting information with this post because I can't keep Firefox running long enough.

The same performance issues happen with Firefox running in Safe mode. I had to resort to Microsoft Edge to post this question.

Any troubleshooting assistance would be greatly appreciated.

Thanks.

Asked by JZ 4 年前

Last reply by FredMcD 4 年前

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google maps and Mozilla support crashes firefox

I originally had an issue of Google Maps crashing my Firefox 40.0.3 every time I load the page. I tried following the troubleshooting here: https://support.mozilla.org/e… (閱讀更多)

I originally had an issue of Google Maps crashing my Firefox 40.0.3 every time I load the page. I tried following the troubleshooting here: https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems?redirectlocale=en-US&redirectslug=Troubleshooting+extensions+and+themes

and it works in Safe Mode, but: 1. I'm on default theme already 2. I turned off hardware accelerator 3. I disabled all my extensions

and it STILL crashes. So based on this article, I can't figure out what else I can disable that would cause the crash.

Not sure if this information helps, but when I tried to load the mozilla support page titled "Ask your question to our community of users", it crashes firefox every time unless I'm in Safe Mode (which I am right now to post this).

Asked by kryzak 4 年前

Last reply by FredMcD 4 年前

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Ver# 40.0.3 bookmark function fails to function

After an auto update to version 40.0.3 I can no longer bookmark webpages. Neither the menu option, nor the keyboard short cut "ctrl+B" function. Basically there is no boo… (閱讀更多)

After an auto update to version 40.0.3 I can no longer bookmark webpages.

Neither the menu option, nor the keyboard short cut "ctrl+B" function.

Basically there is no bookmark function in the new version.

Please advise as to when a solution or update will address this issue.

Asked by gjorth 4 年前

Last reply by jscher2000 4 年前

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Firefox cannot open some sites (sec_error_unknown_issuer)

On a Windows 7 machine, I installed Firefox (40.0.3). When I try to open https://www.google.ch, I get the following error: sec_error_unknown_issuer. There is NO button "I… (閱讀更多)

On a Windows 7 machine, I installed Firefox (40.0.3). When I try to open https://www.google.ch, I get the following error: sec_error_unknown_issuer. There is NO button "I understand the Risks" -- I cannot add an exception. Other sites, like youtube (using https) load without errors. I already deleted the cert8.db file, and the date and time of the machine are also correct.

Asked by blackwater 4 年前

Last reply by cor-el 4 年前

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How can I fix wrong file association for Firefox Default Profile\Extensions .xpi files?

Hi, Using Notepad, I opened an .xpi file in my C:\Users\MyName\AppData\Roaming\Mozilla\Firefox\Profiles\********.default\extensions folder. By mistake I left the X in th… (閱讀更多)

Hi,

Using Notepad, I opened an .xpi file in my C:\Users\MyName\AppData\Roaming\Mozilla\Firefox\Profiles\********.default\extensions folder. By mistake I left the X in the option box "Always use this app to open .xpi files", so all the .xpi files in my ********.default\extensions folder have an incorrect file association, and I don't know what the correct association is. I tried setting the default opening application to Firefox, but that's incorrect. All the .xpi files in the folder now have the Firefox logo next to them, and .xpi files in other locations also have it next to them. My Firefox extensions seem to be working OK, but I'd like to restore the correct default opening application for the .xpi files in the ********.default\extensions folder.

I tried uninstalling and reinstalling some of the Extensions, but that of course didn't fix the problem. I don't want to do a system restore because the OS and antivirus updated afterward, and system restore is very time consuming on this machine.

This might be a problem for a Windows forum(?), but maybe someone here at Mozilla Support might know the solution. I'm OK with regedit.exe, command prompt, editing files, etc. if needed if needed. Any help will be very much appreciated. I have Windows 10 64-bit OS

Asked by Dee56 4 年前

Last reply by cor-el 4 年前

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fan runs high watching youtube,macbook pro retina 15" mid 2015 after updating second to last Firefox update. Safari doesn't have this issue. Pls help.

Fan runs high & hot watching youtube videos. Have new macbook pro retina 15" mid 2015. 2.5 GHz intel core i7. Started happening after second to last Firefox update. U… (閱讀更多)

Fan runs high & hot watching youtube videos. Have new macbook pro retina 15" mid 2015. 2.5 GHz intel core i7. Started happening after second to last Firefox update. Updated to most current thinking it would be fixed. It doesn't happen if I use Safari. Apple support senior lead tried to resolve issues. Sorry, I'm not very technical. Tried shift, control,option start. Tried option, command,R,P start. Tried logging on as a new user. Tried so many options, I can't remember them all. Uninstalled, reinstalled,and uninstalled again. ran disk repair(?). Followed Firefox troubleshoot all the way to the end. Started in Safe Mode...everything. She told me to contact Mozilla to see if you had any answers to my issues. I also had issues last week with Firefox crashing 3-4 times in a row while watching youtube. I sent reports to Firefox. I hope someone can help me. I prefer Firefox to Safari! Thank you!

Asked by bit72 4 年前

Last reply by FredMcD 4 年前

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images on ancestry.com are blurry on Firefox but the same document on Explorer is very clear

ancestry.com images are extremely blurred on Firefox but when seeing the same image from Explorer...they are very clear! if you can receive a pdf file...I can send a samp… (閱讀更多)

ancestry.com images are extremely blurred on Firefox but when seeing the same image from Explorer...they are very clear! if you can receive a pdf file...I can send a sample of both records. thanks...I much prefer Firefox so can you find me a fix? CTait

Asked by CTait 4 年前

Last reply by Narvey 4 年前

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Internet seizes up regularly and I have to switch of and back on again at the computer power switch

I was banking on the internet when my computer seized up. This is a now regular issue when using the internet and started when I recently installed and use Firefox. I ha… (閱讀更多)

I was banking on the internet when my computer seized up. This is a now regular issue when using the internet and started when I recently installed and use Firefox. I have to switch off my computer at the power switch wait awhile and then switch it back on again. I refreshed Firefox only yesterday because it was becoming impossible to do anything. On this occasion when I went back onto the internet Firefox took me straight into my bank account and I was able to complete a transaction without having to log into my account or go through the security checks!? I have spoken with my bank and they say that the web pages should time out after non use.

Asked by jimjs59 4 年前

Last reply by jscher2000 4 年前

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Get download error popup message with with a long string of characters every time firefox is opened. It can be closed, FF downloads work OK.

Every time Firefox 40.0.3 is opened a separate popup message message window entitled "Download Error" with the text: Firefox could not download the search plugin from: da… (閱讀更多)

Every time Firefox 40.0.3 is opened a separate popup message message window entitled "Download Error" with the text: Firefox could not download the search plugin from: data:text/html;base64, Following the base64, there is a long string of characters e.g. PFNlYXJjaFBsdWdpbiB4bWxucz0iaHR0cDovL etc. etc. etc. the string goes on with over 3,600 characters.

The window can be closed and Firefox works OK, the search is fine with Google, DuckDuckGo, and Ixquick. I don't want to install a new search engine. There are no viruses I can find. Windows is up to date. This just started. I tried to attached a jpg screen shot, but it is taking too long.

A screen shot is attached with the string.

Asked by Joe- 4 年前

Last reply by FredMcD 4 年前

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all bookmarks gone after Firefox update

I updated with the "Newest" Firefox (see their ad. below), now all my saved Bookmarks are gone, and one of my toolbars is gone with all my saved bookmarks and other data.… (閱讀更多)

I updated with the "Newest" Firefox (see their ad. below), now all my saved Bookmarks are gone, and one of my toolbars is gone with all my saved bookmarks and other data. I tried restoring everything back to a previous date, but everything is still gone. I am using 32 bit, Windows Home Premium on a Desktop computer. Can anyone help me get my old bookmarks back.


The newest Firefox is here Hey Firefox fans, the newest version is out! Here's what you get: More security Get the latest security updates, including download protection from potentially unwanted software.

Better performance Enjoy improved video playback, smoother animation and better scrolling.

The independent choice We've always designed Firefox to protect and respect your private information.

Make sure you set Firefox as your default choice. Here's how. Do you have the latest version? UPDATE NOW

Asked by orr4sale 4 年前

Last reply by cor-el 4 年前

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Firefox crashes

Hello, so the crashes had not been as frequent, but I've noticed the weekly crashes occur, and with the reports having similar IDs, I figure there's still something else … (閱讀更多)

Hello, so the crashes had not been as frequent, but I've noticed the weekly crashes occur, and with the reports having similar IDs, I figure there's still something else I'm doing wrong. I've attached the ID for the latest crash and hope to hear something soon. I've already gone through uninstalling-reinstalling my browser and updating my plugins to try to prevent crashes. If there are new suggestions, I'm open to them.

10abc81f-37a1-4807-af49-d515b2150905

Asked by TheArashi 4 年前

Last reply by cor-el 4 年前

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Why does Firefox want me to upgrade Shockwave when I don't have it intalled?

Recently I went to the "Add-ons" page and clicked to see if I had the latest versions of the various plug-ins installed. Turns out that Flash had another update, big surp… (閱讀更多)

Recently I went to the "Add-ons" page and clicked to see if I had the latest versions of the various plug-ins installed.

Turns out that Flash had another update, big surprise.

Also turned out that, as usual, updating it with the latest version from Adobe still would show that I had an out-of date version. Even after using the standalone, offline installer. I finally said the heck with it and just uninstalled Flash.

However, for some reason, Firefox is also telling me that my version of Adobe Shockwave, version 3.0.72.0, is out of date and needs to be updated.

Ummm... I do not have Shockwave installed on my system. I checked, and it is not there.

If I click the red "UPDATE NOW" button, all it does is reload the Mozilla "Check your plugins" page.

I went ahead and installed Shockwave (version 12 something is the latest), and then uninstalled it, hoping the warning would go away, but it is still there.

Does anyone know how to fix this?

Thanks!

Asked by Akinius 4 年前

Last reply by cor-el 4 年前