Another YouTube won't playback on Firefox problem [my solution]

Recently (since about FF 28) I've been getting the "An error occurred, please try again later" message when trying to view YouTube videos, i.e. the video will play for a few seconds before stopping and displaying the error message.
I went through all the motions of searching for solutions like clearing cookies and running Firefox in safe-mode etc. etc., but with no luck. Then I accidentally stumbled on my solution - the problem disappeared when I had headphones plugged in to my PC (in fact, it doesn't have to be headphones - even a headphone extension cable will do, just as long as something is physically plugged into the headphone jack).
OK, so I found a solution, but I don't understand why it's a problem for Firefox in the first place (it doesn't happen with IE11), any words of advice?
Thanks.

What is the default audio device if you check that in the volume mixer via its icon on the Windows Taskbar?

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Youtube won't run with firefox or Facebook

When wanting to run video from youtube on both firefox and facebook from my Android phone I get a message telling me I need an account with youtube and a channel. I have an account with youtube and it won't let me sign in when attempting to.
Have tried using Google browser on phone and am able to run youtube content and video with no problem.
Any ideas???

Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache.
The Firefox cache temporarily stores images, scripts, and other parts of websites while you are browsing. <br>
Note: ''This will temporarily log you out of all sites you're logged in to.''
To clear cache and cookies, do the following:
#Tap the menu icon located at the top right corner. This is the icon with 3 bars. On older Android devices you'll have to press the hardware menu key and then tap More.
#Tap '''Settings'''.
#After that, you will be taken to the settings screen. In the settings screen, look under the section '''''Privacy & Security''''' and select '''Clear private data'''.
#You will then be taken to a list of what can be cleared. Select the following 2 for deletion:
#*Cookies & active logins
#*Cache
#After those have been selected, tap the '''Clear data''' button to actually clear the cache and cookies.
Did this help you with your problems? Please let us know!

Youtube won't play in Firefox 13.

The newest version of Firefox, 13.0, seems to have a problem playing youtube videos. Whenever I go to youtube and try to play something I get a “There seems to be an error. Please try again later.” At first I thought it was a problem with youtube, and put in an error report with them. Youtube played fine on my earlier Firefox installation, and plays just fine on Google Chrome and IE, so the problem seems to lie with Firefox.
In the past I have had other problems with updates to Firefox. One time I couldn’t see what was in my Google search box after updating. The next update seemed to take care of the problem. I cringe when I see that pop up box that says there is a new version of Firefox available. I wonder what favorite add ons won’t work with this one, and what other problems it might bring. That’s why I tend to wait for a couple of weeks to months before clicking the update button, hoping that maybe the bugs will have been worked out. I normally donate a little bit to programs and projects that try to improve my computer experience for free. Firefox has not given me a reason to donate. I have read the solution for uninstalling Realplayer and rolling back Flash, and this doesn't work for me. I use Realplayer all the time on my computer, and Firefox will leave before Realplayer does. If Firefox can't come up with a simple solution or fix then I guess Chrome is in my future.

@Edward :: This worked for me ...
Turn off Web Download & Recording in RealPlayer
Launch RealPlayer
Click the RealPlayer icon in the upper left corner of the window and choose Preferences.
Choose Download & Recording from the left hand panel
Uncheck "Enable Web Download & Recording for these installed browsers"
Click OK and close RealPlayer
Restart Firefox
Hope it works for you ...
@Tobi :: Many thanks pal one of the links helped me out .. :))

Videos on Youtube won't play on Firefox

When attempting to watch videos on Youtube, I'm presented only a black screen where the video should be, and no means of "liking" "disliking" or commenting on the video below it. I can navigate Youtube just fine, and it works with other browsers. I've also found that changing the address start to https:// allows me to watch videos, but makes navigation of the site very difficult. Hulu and Netflix work just fine on Firefox, it seems to only be Youtube that isn't working.

Try clearing the Cache in Firefox.
Tools-> Clear Recent History -> [v] Cache
or
Tools->Options->Advanced->Network -> Offline storage -> [Clear Now]
Youtube may have made some changes recently. Clear the Youtube cookie and refresh page if above does not do it.

Youtube won't load on firefox when just five minutes ago it did. Why is it messing up?

Just five minutes ago youtube was working just fine on firefox However now this comes up "firefox can't find the server at www.youtube.com." what the heck is going on here? It works on my explorer just fine but not on firefox. What happened?
Also, I use windows vista.

So, even though something worked five minutes ago it can not work right due to that? Somehow, I didn't have to do any of that. I don't know what it was but when I went to check one last time after posting here. The youtube page loaded. And I take care of my cookies and history about every three days. But I am glad it is working now and thank you for the help. I hope anyone else that sees this is able to be helped to.

Firefox on a Mac, and YouTube won't work

I've looked through related posts here and have been unable to solve my problem.
I'm running Yosemite on a new Mac Air. I have FlashBlock, Ad Block, and NoScript installed. I had all of those on Firefox on my previous Mac running Mavericks, with no problem.
When I'm on youtube, I can't play videos. I get the black screen with the cursive "f" in a square in the middle of the screen. Normally, if I click that square, the video should load and play - but no luck.
YouTube content embedded in other sites - for example, on a media link posted on Twitter - plays with no problem. If within that player I click on the YouTube icon - which should open YouTube in a separate tab to play the rest of the video - I do get the new tab, and it opens the right page on YouTube, but again, it won't play.
I've attempted to fix this by:
- reinstalling of Firefox;
- updating Firefox;
- disabling all add-ons
- restarting Firefox in safe mode.
Nothing gets YouTube to work. I can watch it in Safari, of course, but then I get all the ads. ;)
Any new ideas?

The solution was embarrassingly simple: I whitelisted YouTube in Flashblock.
Which doesn't solve all the mysteries - why didn't YouTube work when I started Firefox in safe mode? Why did I never have to whitelist YT before? - but, mission accomplished.
I'm glad this is here for the next person to find, in case it's helpful.

Cant get Safari or Firefox to open youtube website anyone else having this problem?

I can't get safari or firefox to open youtube website, keeps saying server not available and it has been doing it for a month. Anyone having this problem?

Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that turns off some settings and disables most add-ons (extensions and themes).
''(If you're using an added theme, switch to the Default theme.)''
You can start Firefox in Safe Mode as follows:
* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' <br>(you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
''Once you get the pop-up, just select "'Start in Safe Mode"''
[[Image:Safe Mode Fx 15 - Win]]
'''''If the issue you can open Firefox in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
When you figure out what's causing your issues, please let us know. It might help others with the same problem.
Thank you.

Can't read or write some files, internet is failing, youtube won't load, software I tried to install was in Slovenian, not dutch or english like in my systempreferences settings, pictures and files won't preview with spacebar, etc. Malware?

Specs:
iMac 10.8.5
3,4 GHz Intel Core i7
32 GB 1600 MHz DDR3
Can't read or write some files, internet is failing, youtube won't load, security software I tried to install was in Slovenian, not dutch or english like in my systempreferences settings, pictures and files won't preview with spacebar and are randomly corrupted, when I entered something in the Youtube searchbar (when it was still working) it send me to a site with sexadds.
I tried restart my iMac and when I was logged back in, my dock preferences were reset.
Also tried to download some security software to check my Mac for malware, but when I did, I tried several, I got a notification that said something like 'dumpfiles (don't know if this is the right translation...) damaged'.
I'm taking screenshots from all the weird notifications I get and even three quarters off the screenshots I took in the last three hours are already unreadable.
It started this morning when I tried opening a Premiere Pro file on which I worked the night before.
When I tried opening it, it said the file was damaged and could not be openend.
I tried opening it with AE or importing the file in a new project but nothing helped.
When I tried looking for autosaves, this is the really weird part, there were none.
Even though there are autosaves from my other projects, this one was completely gone.
It looked like the day before never happened on my computer.
Also when I openend Premiere all the recent projects had been wiped.
So at first I thought it was a Premiere Pro failure.
But than, later on the day, I tried loading some RAW files from my compact flash card.
This is where I would get an error (error -36) which said some data cannot be read or written.
I tried importing the files with a view different technics, from dragging to importing via Lightroom and I succeeded with Image Browser.
But when I tried moving the files to an other folder the same error occurred.
While dealing with this issue I wanted to put on some soothing music on youtube.
This is when the next weird thing occurred: youtube wasn't completely loading in Chrome. I refreshed a view times, checked the internet connection and still no difference.
When I tried in Safari it did work but when I clicked enter on the searchbar in Youtube, a page with sexadds appeared (I didn't install AdBlock in Safari...).
I read about this 'phishing' where you are redirected to a site were a possible malware installment can take place...
I don't know if it's connected to any of the problems I've been having but I just never experienced this on a mac, I have been a Mac user for 10 years now.
On top of it all, internet started working worse and worse and now it's not even working at all. I had to fill in the password over and over, normally it remembers.
Just like my system preferences, all the preferences I had with Chrome where also reset.
Also somewhere in between I got this notification: Mac OS X must restore library to run programs. Type your password to allow.
To me this is all very weird and suspicious. I have clearly no idea what's going on. Could this be another sort of trojan horse or malware?
Some background info which could be helpful for solving this mystery:
two months ago the one year old Fusion Drive in my iMac just broke out of nowhere.
I got it replaced by a qualified apple repair store.
When I got my computer back, all the files where gone.
I got on the internet without AdBlock installed yet.
A game or whatever it was, can't clearly remember, got installed by accident.
I deleted it immediately.
Only two weeks later, I couldn't log in to my account. It didn't recognize my password and username.
So I brought my mac back to the store.
Here the repair guy said it was a minor thing and he just needed to reconnect my account. He also mentioned he found a downloaded game name Sparta and it probably had something to do with the error.
I asked him; could it be a virus? He replied no way.
I don't know why I couldn't be a virus, just because it's a mac doesn't mean it cannot be done.
So today I tried installing anti virus software (such as avast- was in a weird language looked like slovenian, clamxav - was in slovenian) but I couldn't install them.
PLEASE help me! I don't know what to do anymore, I work fulltime and I need my computer, I have no time to bring it in for repair, are there other perhaps easier ways?
Could this be the work of a virus or a malware? Or is it a disk permissions issue?

It sounds like you may have multiple problems, but none of them are likely to be caused by malware.
First, the internet-related issues may be related to adware or a network compromise. I tend to lean more towards the latter, based on your description of the problem. See:
http://www.adwaremedic.com/kb/baddns.php
http://www.adwaremedic.com/kb/hackedrouter.php
If investigation shows that this is not a network-specific issue, then it's probably adware. See my Adware Removal Guide for help finding and removing it. Note that you mention AdBlock as if it should have prevented this, but it's important to understand that ad blockers do not protect you against adware in any way. Neither would any kind of anti-virus software, which often doesn't detect adware.
As for the other issues, it sounds like you've got some serious corruption. I would be inclined to say it sounds like a failing drive, except it sounds like you just got it replaced. How did you get all your files back after the new drive was installed?
(Fair disclosure: I may receive compensation from links to my sites, TheSafeMac.com and AdwareMedic.com, in the form of buttons allowing for donations. Donations are not required to use my site or software.)

When i want to go another from a tab,it shows firefox not responding, for a while then opens that tab!this is embarrassing me a lot by taking so much time!!why

I have two inconviniences with fire fox..
1)when i want to go another from a tab,it shows firefox not responding, for a while then opens that tab!this is embarrassing me a lot by taking so much time!!why it happens?
2) every time when adobe flash player is updated, it shows flash player can't be installed and it crashes! it says 'disable real player' though i never installed real player!!
plz Let me know why it happens to me????

1. Update firefox to the latest version 2. and disable real player in menu->addons->plugins.
Recent crashes of certain multimedia contents (this includes Youtube videos, certain flash games and other applications) in conjunction with Firefox 13 are most probably caused by a recent Flash 11.3 update and/or a malfunctioning Real Player browser plugin.
In order to remedy the problem, please perform the steps mentioned in these Knowledge Base articles:
[[Flash Plugin - Keep it up to date and troubleshoot problems]]
[[Flash 11.3 crashes]]
[[Flash 11.3 doesn't load video in Firefox]]
Other, more technical information about these issues can be found under these Links:
http://forums.adobe.com/thread/1018071?tstart=0
http://blogs.adobe.com/asset/2012/06/inside-flash-player-protected-mode-for-firefox.html
Please tell us if this helped!
Please check if all your plugins are up-to-date. To do this, go to the [http://mozilla.com/plugincheck Mozilla Plugin Check site].
Once you're there, the site will check if all your plugins have the latest versions.
If you see plugins in the list that have a yellow ''Update'' button or a red ''Update now'' button, please update these immediately.
To do so, please click each red or yellow button. Then you should see a site that allows you to download the latest version. Double-click the downloaded file to start the installation and follow the steps mentioned in the installation procedure.

Video on YouTube won't play !

Video on YouTube won’t play Until I refresh the page? However, when the video ends okay then can not play the video again? Video plays only once then had to refresh the page in order to watch the same video?

Hi G-hot, were you able to solve your other issues with Youtube from your earlier thread, or is this an additional problem with Youtube? I think if you could list all the problem in one list it might be helpful.
[https://support.mozilla.org/questions/971257 Firefox 23.0.1 keeps loading the YouTube page and prevents access to My Profile]
Also, did you do the usual?
When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.
(1) Bypass Firefox's Cache
Use Ctrl+Shift+r to reload the page fresh from the server.
Alternately, you also can clear Firefox's cache completely using:
orange Firefox button (or Tools menu) > Options > Advanced
On the Network mini-tab > Cached Web Content : "Clear Now"
If you have a large hard drive, this might take a few minutes.
(2) Remove the site's cookies (save any pending work first on Youtube and Gmail). While viewing a page on the site, try either:
* right-click and choose View Page Info > Security > "View Cookies"
* Alt+t (open the classic Tools menu) > Page Info > Security > "View Cookies"
In the dialog that opens, you can remove the site's cookies individually.
Then change the site at the top from youtube.com to google.com and clear those as well.
Then try reloading the page. Does that help?

Java won't work on Firefox, while it works on Safari on a Mac.

I have a MacBook Pro and downloaded Firefox 3.6 for it. Now I've realized that Java plugins won't work in Firefox for some reason, while they do work in Safari that came with the Mac. The problem wouldn't be with Java, since it works on Safari.
The Java-related plug-ins I have installed in Firefox are the Java Embedding Plug-in 0.9.7.3 and Java Plug-in 2 for NPAPI browsers.
When I go to a page that contains a Java applet, there is no error, the page says it's done loading, and there's a blank spot where an applet is supposed to be.

Actually, I have both plugins installed in Mac OS X 10.6, verified by entering '''about:plugins''' in the SeaMonkey 2 Location Bar (address bar)
Java Embedding Plugin 0.9.7.3
<br>File name: MRJPlugin.plugin
Java Plug-In 2 for NPAPI Browsers
<br>File name: JavaPlugin2_NPAPI.plugin
This is a new iMac computer I just set up last week running OS X 10.6.4 with all current Apple Software Updates. I have SeaMonkey 2 installed on it, but not Firefox.
I have Java 6 Update 20 ( 1.6.0_20 ) installed, verified by going to the test link in the KB article I posted above,
http://javatester.org/version.html
Java 1.6.0_20 (referred to as "Java for Mac OS X 10.6 Update 2" on the page cor-el linked) should be available from Apple's [http://support.apple.com/kb/HT1338 Software Update] feature.
Another test link you can try (from about:plugins):
http://browserspy.dk/java.php
I think that the Java Embedding plugin is something that Mozilla includes with all its current browsers (Firefox, SeaMonkey, Camino) based on: http://plugindoc.mozdev.org/OSX.html#Java
...which links to http://javaplugin.sourceforge.net/

Adobe Reader 11.0 won't install through firefox - click save and then nothing else happens

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Hi Pat,
After your last email I decided to continue to trouble shoot the problem and finally found the answer from another user. Oddly enough when using Firefox it will default to a location on your computer to save downloads. If it encounters a problem it doesn't identify it, the program just "loops" back to the start of the download sequence. Once I changed the folder that the downloads are sent to the original way of upgrading occurred without fault.
I will go back into the discussion group and credit you with the answer because I really appreciate your assistance.
Thank you, Jim
[private data removed]

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I've tried to login to YouTube using same user name and password on my Mac but it keeps saying there's an error. Also, the first time I looked at YouTube after setting up my ATV2, I accidentally selected Recent Searches, which of course there were none. Now it won't let me search at all; it just says No Recent Searches. When I select the Clear Searches button, nothing happens. Any help out there?

I was having the same problem - ie., kept getting Atv msg that I had no youtube content - & that there was a problem accessing youtube account, etc.
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YouTube App Video Playback Poor Performance

Not sure when or what changed but video playback performance on my iPod Touch 4G when using the YouTube app has been very poor the last couple months. Used to work just fine. The performance has been so bad that I basically gave up watching YouTube videos on my iPod. By bad performance I mean it would literally take 10 minutes to watch a 2 minute video (estimating of course). And I would get chunks of about 20 seconds before I had to wait while the video would buffer again.
I know this is due to my connection speed as video playback using the YouTube app at other locations that have a faster speed still worked fine.I think my home connection is up to 5 MB download but I actually only get around 4 MB. But still, this should be just fine as it used to work. Also, NetFlix and FaceTime work just fine at home. The YouTube app should be able to determine the video quality based on your connection for streaming. But it now longer seems to do that.
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See:
iOS: Troubleshooting applications purchased from the App Store
Try when connected to another network to help determine if it is a network problem
Contact the developer/go to their support site if only one app.
Restore from backup. See:
iOS: How to back up
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Yahoo's sign-in seal won't display in Firefox but will in I.E.

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Is the seal a Flash object?
Update the Flash plugin to the latest version.
*http://www.adobe.com/software/flash/about/
*http://helpx.adobe.com/flash-player.html

Another YouTube won't playback on Firefox problem [my solution]

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