Youtube video 720hd 1080hd plays and loads but screen stops at beginning

Recently firefox3.6 stops playing youtube 720 or higher the video loads and starts to play but picture freezes audio continues........IE plays youtubeHD fine , java up to date etc

Recent crashes of certain multimedia contents (this includes Youtube videos, certain flash games and other applications) in conjunction with Firefox are most probably caused by a recent Flash update and/or a malfunctioning browser plugin such as Real Player.
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 Plugin - Keep it up to date and troubleshoot problems.]]
* [[Flash 11.3 crashes | Flash Crashes]]
* [[Flash 11.3 doesn't load video in Firefox | Flash doesn't load video in Firefox]]
* http://kb.mozillazine.org/Flash
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
* http://forums.adobe.com/thread/695860
Please tell us if this helped!

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Youtube videos do not play and gchat sounds do not work

These problems are only in Firefox. Allow me to elaborate.
I have a Windows 7 64-bit laptop, Firefox 13.0 and the latest Adobe Flash Player installed. What's strange is that I think the videos worked fine two or three days ago, but now the videos don't work. I thought this was a minor glitch, then I noticed that I wasn't getting chat notification sounds on gchat in Firefox. So I went in the settings and it said that sounds were linked to Flash player. I looked up Flash player and installed the latest one, still no change. I then uninstalled flash player and reinstalled. Still, no dice.
The youtube video problem is rather strange; I've never seen it before. The black box appears, and below it are the normal volume controls, video controls, play, etc. Inside the black box is the play button, with the white triangle in a red box pointing to the right. Like I said, I've never seen this before, so I decided to click it since my videos weren't playing. I click it, and all I get is "An error occurred. Please try again later". I do the normal clear cache/cookies, restart browser, still no dice.
Everything works fine in google chrome. It's just firefox that's giving me these problems. If anyone has suggestions, please let me know!
Thanks in advance.
Edit: oh, and on the adobe page where you can test to see if your adobe flash player is working, all I get is blank spaces where the video or animation is supposed to be. Facebook sounds seem to work too. But in Tetris battle, I get "Errors on Loading File: Facebookmainframe.swf. Retry..."

I too have the same issue with Firefox and flash videos. I haven't tried to use other browser yet, but I will when I finish this. I first saw this yesterday with Firefox 12.0; same issue with FF 13.0 now. No video anywhere will play, from YouTube to TMZ! I either get an error "error occurred try again later", or the area on the page where the video should be is blank. I have uninstalled and reinstalled all Adobe items several times. Control Panel says they are installed and Flash Manager in CP is OK, but when I go ONLINE to verify or check version, the page is blank. Likewise is the Online Flash Settings Manager. I have tried flushing FF cache, cookies, reset and Safe Mode - all yields zip! It all worked Ok last week. This is just starting either today or last day or so. The ONLY possible cause that I can find is that Windows published about 25 "security" and "NET Framework" updates on June 12, 13, and 14. I suspect the cause might lie there. Last time I check with forums over 500 people were looking for solution to this issue and that number is just in last 24 and it's steadily climbing. I think this is pretty pandemic for Firefox and Flash whatever the cause. If it isn't fixed it will KILL Firefox (maybe that's somebody's goal? - I can see Microsoft/Windows doing something like that to remove competition with their IE browser!).
I tried to talk to Adobe Tech about it, but got stone walled. I posted on Firefox forum, but got nothing back that was useful. Like most I am running Win 7 HP x64. I am also using Norton 360 and have set the Firewall there to FULL ALLOW for all Adobe and even tried turning it OFF for a while with no luck.
At this point, I am fully lost. I have flushed, deleted, reinstalled, updated, disabled, verified, tested, safe moded and God knows what else all without any luck. I guess I am going to start using Chrome; I really hate IE9. (Sorry, Microsoft, suck a big one ) . I am @OldeGreyWoolf on Twitter; if you find a solution, please drop me a tweet! I'll do the same! By tomorrow, I figure there will be thousands of users in this same box. Maybe then someone, some where will come up with a solution! Feel free to copy and paste this post any where/every where.
Bob Woolf, aka the OldeGreyWoolf

YouTube videos do not play

Hi All,
Before I pull the plug on FireFox, I'll try once more. YouTube Videos do not play. They start then stop with the cryptic error message "An error has occurred.... Other videos play fine. YouTube videos play fine on that other browser. I've tried all the suggestions in this forum, my PlugIns were uninstalled and re-installed, Firefox was uninstalled and re-installed and No, I do not live in India. Anybody have any idea what's wrong. What's Google doing that Mozilla can't figure out?

Do you have the latest version of Flash Player? Download Flash Player at get.adobe.com/flashplayer and install it. Also, is your internet slow? Try changing your quality on the video to low when the video starts to see if it does the same thing.

Hello, i have youtube videos on my iweb site. but i would like to know if it is possible to get a 'pop-up' affect when you click on a small photo of the video, to open and play the video in a popup?

hello, i have youtube videos on my iweb site. but i would like to know if it is possible to get a 'pop-up' affect when you click on a small photo of the video, to open and play the video in a popup?
we have tried using video light box, but this doesnt seem to work.

There's an example of one at the buttom of ths page...
http://www.iwebformusicians.com/Website-Movie-Video/YouTube.html
Rather than link to the file, the movie is on a separate web page and uses the code shown on this page...
http://www.iwebformusicians.com/Website-Photos/Image-New-Window.html
"I may receive some form of compensation, financial or otherwise, from my recommendation or link."

Youtube videos doesn't play until fully loaded

Youtube videos doesn't play until they are fully loaded. It doesn't work for ANY streamed video, not just Youtube. It happens on both Firefox and IE. I tried to uninstall Flash and re-install it, but it didn't help. The only thing that solves it is restarting the computer, but it just returns after some time.
How can I fix it?

Hi, This is the info on the hardware acceleration and system requirements. http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html
The video card affects playback:Although Flash Player can display high-quality video and images by itself, hardware-accelerated scaling uses the video or graphics card on your computer to display images and video more clearly and quickly than Flash Player can on its own.
Not everyone can use it and that's why turning it off helps. Since you have it turned off, then this no longer affects you.
They may be some add on in the browser that is causing this. Kaspersky had been using a URL Advisor that is an "extension"
but whether you have it I don't know. In IE, in the manage add ons, look for "Show"(very light text) and look in all 4 categories for it.
In FF, it may be in the extensions. I'd look in all, addons, plugins & extenstions.
If you find it, disable it. If you don't find it, then all I could suggest is to disable all IE add ons except Shockwave Flash Object and Java and see it there is an improvement. Then do the same with FF.
Hope you find out what is causing it.
Thanks,
eidnolb

Can i capture and record a youtube video that is playing on my screen using quicktime?

How can i capture and record a youtube video that is playing on my screen using quicktime?

Hi Paul, QuickTime X can record video and here is the tutorial for you: http://support.apple.com/kb/PH5882?viewlocale=en_US. I'm wondering why you don't just download it using some free YouTube downloader, easy and fast.

Youtube video is not playing on my macbook pro laptop. I have norton anti virus and firewall installed on it.

youtube video is not playing on my mac pro laptop. Just a blank screen shows up where the video should be playing. I have norton anti virus and firewall installed on the laptop. Could it have something to do with it?

unless you have a partition for another operating system, such as Windows or Linux, most mac users would agree that any a/v software is completly unnecesary and will do more harm than good. There is a free a/v in the appstore called "ClamXav. Have you installed all software updates and also have you tried youtube using different browsers (chrome, safari, opera, etc)?

Youtube videos show up as a blank but still play the audio. where the video should be is a blank space on firefox 4 rc

Youtube videos show up as a blank but still play the audio. where the video should be i s a blank white space.
They were working fine last week

Try if disabling the hardware acceleration in the Flash Player help.
See [[Cannot view full screen Flash videos]]
* http://www.youtube.com/swf_test.html (right-click the player: Settings)
Flash "Display settings" window:
* http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html

Youtube videos don't play after upgrading from 3.x to 4.0.1.

Youtube videos no longer play after upgrading from Firefox 3.x to the new 4.0.1.
The youtube page loads completely but the video never starts.
Firefox displays the page like its done downloading the video, but no video.
It displays as "done" loading the page with no activity in the page tab or bottom bar... but the video screen is black. Everything but the video loads.

Hi There
I seem to have experienced the same problem, after applying the APEX 4.0.2 patch, my theme produced errors on the new type of date picker. I use the Bravo theme.
I am now trying to purchase the Delta theme, but unfortunately I see today on the Apex-Themes website that the themes are not available to purchase anymore.
Did you manage to resolve your issue? And do you maybe by any chance know where I can get hold of the Delta theme now?
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Marissa

Certain youtube videos won't play in Firefox

Firefox 20.0.1, windows 7, flashplayer up to date.
Certain youtube videos won't play. The advert beforehand plays, and then the video just displays a black screen, no loading, trying to skip to a later time in the video doesn't work. It seems to be certain youtube users whose videos won't play, users whose videos I was able to watch only yesterday. The featured video on the user's channel is watchable, but not when opened separately.
IE won't show the affected videos either.

In addition to these symptoms, I've noticed that I can view these troubled videos on my cellphone just fine, but neither my XP or Win7 machine, which have all software updated can view. So if it was on youtubes side, it wouldn't work on my phone either.

Youtube videos taking long time to load.

For the last month or so any Youtube video I watch takes around a minute before it starts playing. I have cleared my cache and cookies numerous times. I actually formatted my computer and upgraded to windows 8.1 today and this problem still persists. I had adblock enabled but I tried to disable that and the problem remained. I have also tried both HTML5 and the Flash versions of Youtube and nothing worked.
Using any other browsers, Youtube videos being to play instantly.

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 temporarily turns off hardware acceleration, resets some settings, and disables add-ons (extensions and themes).
'''If Firefox is open,''' you can restart in Firefox Safe Mode from the Help menu:
* Click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''.
'''If Firefox is not running,''' 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)
When the Firefox Safe Mode window appears, select "Start in Safe Mode".
;[[Image:SafeMode-Fx35]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, theme, or hardware acceleration. Please follow the steps in 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.

Youtube videos are not playing back

Youtube videos are not playing back in Safari 5.1.7. I've also checked this in Firefox 16.0.2.
I am running OS 10.6.8.
Why is this happening? I need this capabilitiy for my work efforts.
Thanks (in advance)!

I'm having similar problems to you all. Chrome and Firefox will play YT videos back perfectly. But for some reason certain users' entire channels that were working fine in Safari on Thhursday 1st Nov 2012 had stopped working by the next day! After upgrading Flash and resetting the cache etc it was a bit better but still some not working. I then downloaded the 6.0.2 update (again after a bit of aggro as some error message kept popping up, then after a while it worked ok). Now still some videos refuse to play in Safari. Latest FF browser seems OK and not too slow. I have always liked Safari though and am a bit annoyed that I've had to to make FF my default as it's a bit ugly. It may be a YT problem rather than Apple. Once upon a time in the hazy crazy days of Tiger and Leopard I had no Apple problems. Now lots of very minor but basic issues keep popping up!

Youtube video cannot be played

can't play youtube video, even after i reinstall flash. the youtube video is just there with sound but the video just keep going back and forth. i am using mac os lion on the newest model of iMac

http://support.apple.com/kb/ht1379
do that
(cmd+p+r while rebooting)

Embedded YouTube videos do not play on my Mac Mini

Embedded YouTube videos don't play in non-YouTube web pages. I can click the link in the top of the video to be taken directly to YouTube, and I can watch the video there, but when I click the big Play button in the middle of the video window, I just get a black rectangle.
I tried uninstalling Flash player as suggested in another thread, rebooted my machine, and reinstalled Flash player, but that did not fix the problem. This is a non-Flash player problem that Apple should look into. I have not tried this on other browsers to see if I have the same problem there or not, as I do not use other browsers besides Firefox. I would rather not have to use another browser just so that I can watch embedded YouTube videos. I would prefer if Apple (or another knowledgeable user) can post the solution to the problem. Thanks!

In Firefox, click Tools>Add-ons. Make sure the Shockwave Flash plugin is enabled and "Always activated".
If that fails, see: How to perform a "clean install" of Flash Player in Mac OS X in the Adobe Forums. That will clear out the pluigins and allow a fresh install with the new plugin.

Just done a fresh install of Snow Leopard with all updates,iMac 5.1 behaves strange, sometimes I start Google Chrome and look at youtube videos the computer freezes and shuts down immediately, I believe its related to overheating ?

Just done a replacement of the pata DVD drive (its new and is working ok), and a fresh clean install of Snow Leopard with all updates, iMac 5.1 behaves strange, sometimes I start Google Chrome and look at youtube videos the computer freezes and shuts down immediately,
I believe its related to overheating ?
iStat Pro shows GPU diode temp at 66 C, CPU at 48 C, Fan rpms is around 1000
Any ideas somebody ?
The hard disk has been previously checked with state of the art techniques that have confirmed that the hard disk drive is in perfect condition.

1.5-3 minute boot up as opposed to 15-20 seconds
And
why it takes a long time to load a lot of things.
I have restored this
from a time machine partition.
TimeMachine is only a backup and restore, it won't fix issues in software and according to your information, doesn't even optimize the restore for best performance on boot hard drives.
What you need to do to regain your speed is to understand how your machine works
Why is my computer slow?
Fix any and all issues in software following this list of fixes
..Step by Step to fix your Mac
Then follow this defrag method I've outlined
How to safely defrag a Mac's hard drive
Most commonly used backup methods
There shouldn't be need to reinstall OS X fresh unless your having file structure issues which if they are should appear when in the Steps, which then a zero erase and install will cure as well as any bad sector issues, the defrag step wouldn't be necessarry on a freshly installed system obviously as the files are written all together, not in portions all over the drive.
Hope this assists.

Youtube video 720hd 1080hd plays and loads but screen stops at beginning

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