Youtube video's - flash update issue

I got an issue on youtube since the last flash update. Suddenly i only get shaking videos and i can't seem to find a solution. I tried uninstalling the flash update and installing an older version of flash, but it doesn't seem to fix it... Any help would be much appreciated!
Thx

1. System Preferences > Flash Player > Advanced > Delete All
Press the "Delete All" button
2. Safari > Preferences > Privacy
Press the button “ Remove All Website Data”.

Similar Messages

Youtube video requiring Flash Player

Some of Youtube video requires Flash Player. I installed it successfully, but I still encounter the same error message. It appears that I have not installed ActiveX control. How do I install it. BTW, is the ActiveX control the issue here or somethingelse is going on?

Hi,
Please check the below mentioned knowledge base article and follow the instructions
http://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-windows.html

How to add youtube video to flash

I am still new to AS. Looking for a detailed tutorial/explanation on adding/embeding a youtube video to flash.
If anybody has a descent example that would work too. Also i would like the youtube video to play in the flash file.

http://code.google.com/apis/youtube/flash_api_reference.html
Quote from google api ref:
Getting Started
You can use a chromeless player or an embedded player in your application. Both players support the same functions. However, the embedded player displays standard controls, including a play/pause button, a progress bar, a volume control, and more. The chromeless player, on the other hand, does not display any controls, so you will need to develop your own custom player controls in Flash.
Loading the chromeless player
If your application is using a chromeless player, use the following URL to load the player in your application:
http://www.youtube.com/apiplayer?version=3
Loading the embedded player
If your application is using an embedded player, use the following URL to load the player in your application. In the URL, replace the string VIDEO_ID with the 11-character YouTube video ID of the video that the player will show.
http://www.youtube.com/v/VIDEO_ID?version=3
The
Player API demo lets you compare the two player
http://code.google.com/apis/youtube/youtube_player_demo.html
http://www.youtube.com/v/VIDEO_ID?version=3
Heres some really quick code. You'll have to play with it but this will get you well under way:
var myVideo:Loader = new Loader();
Security.allowDomain("www.youtube.com");
myVideo.contentLoaderInfo.addEventListener(Event.COMPLETE, showVideo);
//myVideo.load(new URLRequest("http://www.youtube.com/apiplayer?version=3"));
myVideo.load(new URLRequest("http://www.youtube.com/v/6U-sTcbZuq0&feature=rec-LGOUT-farside_rn-4r-1-HM" + "?version=3"));
function showVideo(e:Event):void
     myVideo.x = stage.stageWidth * .5;
     myVideo.y = stage.stageWidth * .5;
     stage.addChild(myVideo);
If you have any questions please let me know. Otherwise, please mark the question as answered Thanks,
Jesse

Flash causes pc to freeze when playing 2 youtube videos or flash videos at the same time

I dont know what has caused this issue but since around january my pc has been freezing to the point where i have to hard reset if i play 2 youtube videos or any flash videos at the same time. the whole pc becomes unresponsive when this happens. all my drivers are up to date so i dont know where this issue is coming from.
My specs:
Browser- Firefox 28.0
OS: Windows 7 home edition 64 bit
Case: Raidmax Platinum
Motherboard:ASUS M5A99X EVO AM3
CPU: AMD fx 8350 (4.6ghz oc)
Cpu Cooler: ZALMAN CNPS10X Performa 120mm
GPU: msi GTX 670 power edition
power Supply: Kingwin Kx 1000w
RAM:2x4gb(8gb) CORSAIR Vengeance240-Pin DDR3 SDRAM
HDD: Western Digital Caviar Blue 500gb and 640gb
Bluray: LG Bluray Drive & Burner

There's two ways you can go about this Amanda.
1. Set the length of your images for example 8 seconds each. Offset the photo's like a ladder effect and add the animating keyframes. The red dots in the image below represent the start/finish points of the animation.
2. The other option is to set the length of all the same, then use keyframes to set the start/ finish of the animation.
I always use example 1, however example 2 would probably be easier to understand?
Hope that helps
Tony

Embedding YouTube video In Flash

Hi guys,
Could someone please advise me how to embed a YouTube video file in particular place of my Flash project, should I do this in action panel or in final html file.
Here is exactly what I'd like to do: On this website www.aye-aye-media.com under 'Film' panel I have some movie samples, and after clicking buttons on right side I'd like to play embedded YouTube clips instead of flv.samples uploaded to my ftp. as it takes too long for customers to download them
Thank you in advance
Dom

Thanks Christopher,
I was thinking about it, meanwhile I'm still trying to do it the way I suggested. I'm able to embed the clip but just not in the right place, just don't know where to paste the code, I thought perhaps there is a command in ActionScript to sort this out
Cheers

Embedding youtube video in flash with as2 - problem with black bars

I have successfully embedded the youtube video in my flash code with:
//create area to put youtube video on screen
this.createEmptyMovieClip("reason1_video", 10000);
reason1_video._xscale = 60;
reason1_video._yscale = 60;
this.reason1_video.loadMovie("http://www.youtube.com/v/PUt7Kw9Q_Qc?hd=1");
However, the video plays with black bars on top and bottom even though it plays without those directly from youtube:
http://www.youtube.com/parallelic#p/c/258EA3637F3467BD/7/PUt7Kw9Q_Qc
Even if I take off the scaling, it still has the black bars. How do I get rid of them?

So basicly your putting a video in to your flash project

How can i watch youtube videos no flash

how can i watch youtube videos without installing flash on my imac

You can try using HTML5 potentially https://www.youtube.com/html5.

Youtube problem after flash update - again?

Folks,
I have FF 27.0 and have just been "stung" with this new FLASH addon.
I can't play youtube movies.
I have tried the "TRUST" sites but that was to get FOX TAB working.
Do I need to do youtube........?
I did try "Request policy" as an "anti-tracking" but it caused more trouble than I liked, so I disabled it.
But about that time I updated the FLASH player. Silly me.
So I am stuck with how to get youtube working?
I tried downloading Real Player, but that isn't a PLAYER in firefox - that I can resolve.
All the other posts on this topic are from last year, so as much as they may be "valid", I don't see how they are applicable to THIS case.
Thanks in advance.

Thanks to you both.
Couple of things which I thought were "understood":
UNTIL the flash update FF and youtube worked fine.
AFTER the update they didn't.
There have been posts like this in the past but as I said, that wasn't for THIS flash update.
(Ok just on closing: I ticked the NEEDS MORE INFORMATION below. Don't know why, but I guess I need more information. What is it really for?)

Flash Update Issue

I have just dowloaded the latest Flash update (11.3.300.262) but keep getting an assertion failed message. My pc is running windows vista and the browser is Firefox. How can I fix this please?

''the-edmeister [[#answer-718249|said]]''
<blockquote>
Older Flash plugins are supposed to be removed as part of a Flash update, but sometimes they don't actually get removed.
Grab the Adobe uninstaller from here to remove Flash entirely.
http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html
Then reinstall the latest versions, for both Firefox and for IE, is you still use IE for anything needing Flash.
</blockquote>
i said that reinstalling fixed it already, i uninstalled & then reinstalled, but thx for the info

Flash player wont play my youtube videos after i updated it on mozilla firefox to latest version

I updated my flash player to the latest version 11.6.602.180 after not updating it for a very longtime. Now my youtube wont play videos just shows black screen. If i disable
the plugin the videos play but there is a message which says plug in disabled/manage plug ins. What should i do???? If i use internet explorer the videos play on youtube but i also want them to play for firefox just like before.pliz help i do not know the previous plug in i had?

I am having the same issue in Chrome... so checked Youtube in Firefox and IE... It's a Youtube issue! Videos load a few seconds at a time and makes the playback horrible... unusable! Wish someone at Google or Adobe would fix it!

Safari doesn't load youtube videos n flash

hi.
i am having problems
when i go to youtube.com i cannot see the videos but when i use firefox i can
also when i go to the main page of manutd.com i cannot see the news flash part.
there is a problem with my safari i am just wondering how to resolve it.
these are my installed plugins.
Shockwave Flash
Shockwave Flash 9.0 r45 — from file “Flash Player.plugin”.
MIME Type Description Extensions
application/x-shockwave-flash Shockwave Flash swf
application/futuresplash FutureSplash Player spl
Adobe Acrobat and Reader Plug-in
Adobe Acrobat and Reader Plug-in for Web Browsers, Version 8.0.0 — from file “AdobePDFViewer.plugin”.
MIME Type Description Extensions
application/pdf Acrobat Portable Document Format pdf
application/vnd.adobe.xdp+xml XML Data Package xdp
application/vnd.adobe.pdf Acrobat Portable Document Format (Interim) pdf
application/vnd.fdf Acrobat Forms Data Format fdf
application/vnd.adobe.xfdf Acrobat Forms Data Format in XML xfdf
application/vnd.adobe.x-mars Acrobat XML Portable Document Format mars
application/vnd.adobe.xfd+xml FormFlow99 Data File xfd
Java Plug-in for Cocoa
Java Switchable Plug-in (Cocoa) — from file “JavaPluginCocoa.bundle”.
MIME Type Description Extensions
application/x-java-jnlp-file JNLP Applications jnlp
application/x-java-applet Basic Java Applets javaapplet
iPhotoPhotocast
iPhoto6 — from file “iPhotoPhotocast.plugin”.
MIME Type Description Extensions
application/photo iPhoto 600
Verified Download Plugin
Verified Download Plugin — from file “VerifiedDownloadPlugin.plugin”.
MIME Type Description Extensions
Flip4Mac Windows Media Web Plugin 2.1.1
The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime. — from file “Flip4Mac WMV Plugin.webplugin”.
MIME Type Description Extensions
video/x-ms-wm Windows Media Video wm
video/x-ms-asf-plugin Windows Media Plugin
video/x-ms-asf Windows Media Video asf
audio/x-ms-wax Windows Media Playlist wax
application/asx Windows Media Plugin
video/x-ms-asx Windows Media Playlist asx
video/x-ms-wmv Windows Media Video wmv
application/x-mplayer2 Windows Media Plugin
application/x-oleobject Overrides the Windows Media Active X Control
video/x-ms-wmp Windows Media Video wmp
video/x-ms-wmx Windows Media Playlist wmx
audio/x-ms-wma Windows Media Audio wma
video/x-ms-wvx Windows Media Playlist wvx
DivX Content Upload Plug-In
DivX Content Upload Plug-In: Uploads DivX video in your browser! — from file “ContentUploaderPlugin.plugin”.
MIME Type Description Extensions
application/x-divxcontentupload
DivX Browser Plug-In
DivX Browser Plug-In: Plays DivX video in your browser! — from file “DivXBrowserPlugin.plugin”.
MIME Type Description Extensions
video/divx DivX Video File divx,div
QuickTime Plug-In 7.1.6
The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site. — from file “QuickTime Plugin.webplugin”.
MIME Type Description Extensions
image/x-targa TGA image targa,tga
image/x-tiff TIFF image tif,tiff
image/x-pict PICT image pict,pic,pct
image/tiff TIFF image tif,tiff
image/x-png PNG image png
audio/x-mpeg3 MP3 audio mp3,swa
audio/vnd.qcelp QUALCOMM PureVoice audio qcp,qcp
image/x-sgi SGI image sgi,rgb
audio/x-gsm GSM audio gsm
audio/aiff AIFF audio aiff,aif,aifc,cdda
audio/x-mpeg MPEG audio mpeg,mpg,m1s,m1a,mp2,mpm,mpa,m2a,mp3,swa
audio/x-wav WAVE audio wav,bwf
video/avi Video For Windows (AVI) avi,vfw
audio/x-aiff AIFF audio aiff,aif,aifc,cdda
image/png PNG image png
image/x-bmp BMP image bmp,dib
video/x-mpeg MPEG media mpeg,mpg,m1s,m1v,m1a,m75,m15,mp2,mpm,mpv,mpa
audio/mid MIDI mid,midi,smf,kar
image/pict PICT image pict,pic,pct
video/quicktime QuickTime Movie mov,qt,mov,qt,mqv
application/sdp SDP stream descriptor sdp
audio/x-midi MIDI mid,midi,smf,kar
audio/x-aac AAC audio aac,adts
audio/midi MIDI mid,midi,smf,kar
video/sd-video SD video sdv
video/x-m4v Video (protected) m4v
video/3gpp2 3GPP2 media 3g2,3gp2
image/x-jpeg2000-image JPEG2000 image jp2
image/jpeg2000 JPEG2000 image jp2
video/mp4 MPEG-4 media mp4
application/x-mpeg AMC media amc
image/x-macpaint MacPaint image pntg,pnt,mac
video/flc AutoDesk Animator (FLC) flc,fli,cel
image/x-quicktime QuickTime image qtif,qti
image/jp2 JPEG2000 image jp2
audio/mp4 MPEG-4 media mp4
audio/x-mp3 MP3 audio mp3,swa
audio/amr AMR audio amr
video/mpeg MPEG media mpeg,mpg,m1s,m1v,m1a,m75,m15,mp2,mpm,mpv,mpa
audio/3gpp2 3GPP2 media 3g2,3gp2
image/jpeg2000-image JPEG2000 image jp2
audio/basic uLaw/AU audio au,snd,ulw
video/3gpp 3GPP media 3gp,3gpp
audio/aac AAC audio aac,adts
audio/mpeg MPEG audio mpeg,mpg,m1s,m1a,mp2,mpm,mpa,m2a,mp3,swa
audio/x-m4p AAC audio (protected) m4p
audio/x-m4a AAC audio m4a
application/x-rtsp RTSP stream descriptor rtsp,rts
audio/3gpp 3GPP media 3gp,3gpp
audio/wav WAVE audio wav,bwf
video/x-msvideo Video For Windows (AVI) avi,vfw
audio/x-m4b AAC audio book m4b
audio/x-caf CAF audio caf
video/msvideo Video For Windows (AVI) avi,vfw
application/x-sdp SDP stream descriptor sdp
audio/mpeg3 MP3 audio mp3,swa
audio/mp3 MP3 audio mp3,swa
QuickTime Plug-in
The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site. — from file “QuickTime Plugin.plugin”.
MIME Type Description Extensions
image/x-targa TGA image targa,tga
image/x-tiff TIFF image tif,tiff
image/x-pict PICT image pict,pic,pct
image/tiff TIFF image tif,tiff
image/x-png PNG image png
audio/x-mpeg3 MP3 audio mp3,swa
audio/vnd.qcelp QUALCOMM PureVoice audio qcp,qcp
image/x-sgi SGI image sgi,rgb
audio/x-gsm GSM audio gsm
audio/aiff AIFF audio aiff,aif,aifc,cdda
audio/x-mpeg MPEG audio mpeg,mpg,m1s,m1a,mp2,mpm,mpa,m2a,mp3,swa
audio/x-wav WAVE audio wav,bwf
video/avi Video For Windows (AVI) avi,vfw
audio/x-aiff AIFF audio aiff,aif,aifc,cdda
image/png PNG image png
image/x-bmp BMP image bmp,dib
video/x-mpeg MPEG media mpeg,mpg,m1s,m1v,m1a,m75,m15,mp2,mpm,mpv,mpa
audio/mid MIDI mid,midi,smf,kar
image/pict PICT image pict,pic,pct
video/quicktime QuickTime Movie mov,qt,mov,qt,mqv
application/sdp SDP stream descriptor sdp
audio/x-midi MIDI mid,midi,smf,kar
audio/x-aac AAC audio aac,adts
audio/midi MIDI mid,midi,smf,kar
video/sd-video SD video sdv
video/x-m4v Video (protected) m4v
video/3gpp2 3GPP2 media 3g2,3gp2
image/x-jpeg2000-image JPEG2000 image jp2
image/jpeg2000 JPEG2000 image jp2
video/mp4 MPEG-4 media mp4
application/x-mpeg AMC media amc
image/x-macpaint MacPaint image pntg,pnt,mac
video/flc AutoDesk Animator (FLC) flc,fli,cel
image/x-quicktime QuickTime image qtif,qti
image/jp2 JPEG2000 image jp2
audio/mp4 MPEG-4 media mp4
audio/x-mp3 MP3 audio mp3,swa
audio/amr AMR audio amr
video/mpeg MPEG media mpeg,mpg,m1s,m1v,m1a,m75,m15,mp2,mpm,mpv,mpa
audio/3gpp2 3GPP2 media 3g2,3gp2
image/jpeg2000-image JPEG2000 image jp2
audio/basic uLaw/AU audio au,snd,ulw
video/3gpp 3GPP media 3gp,3gpp
audio/aac AAC audio aac,adts
audio/mpeg MPEG audio mpeg,mpg,m1s,m1a,mp2,mpm,mpa,m2a,mp3,swa
audio/x-m4p AAC audio (protected) m4p
audio/x-m4a AAC audio m4a
application/x-rtsp RTSP stream descriptor rtsp,rts
audio/3gpp 3GPP media 3gp,3gpp
audio/wav WAVE audio wav,bwf
video/x-msvideo Video For Windows (AVI) avi,vfw
audio/x-m4b AAC audio book m4b
audio/x-caf CAF audio caf
video/msvideo Video For Windows (AVI) avi,vfw
application/x-sdp SDP stream descriptor sdp
audio/mpeg3 MP3 audio mp3,swa
audio/mp3 MP3 audio mp3,swa
Quartz Composer Plug-In
Web Kit plug-in that renders Quartz Composer compositions. — from file “Quartz Composer.webplugin”.
MIME Type Description Extensions
application/x-quartzcomposer Quartz Composer Composition qtz
Flip4Mac Windows Media Plugin 2.1.1
The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime. — from file “Flip4Mac WMV Plugin.plugin”.
MIME Type Description Extensions
video/x-ms-wm Windows Media Video wm
video/x-ms-asf-plugin Windows Media Plugin
video/x-ms-asf Windows Media Video asf
audio/x-ms-wax Windows Media Playlist wax
application/asx Windows Media Plugin
video/x-ms-asx Windows Media Playlist asx
video/x-ms-wmv Windows Media Video wmv
application/x-mplayer2 Windows Media Plugin
video/x-ms-wmp Windows Media Video wmp
video/x-ms-wmx Windows Media Playlist wmx
audio/x-ms-wma Windows Media Audio wma
video/x-ms-wvx Windows Media Playlist wvx

I have noticed the same phenomenon in safari -- i think since upgrading osx to 10.4.7.
But what I recently discovered is if I click and hold on the area where the flash content should be, it will bring up the settings menu and once I release, the flash content soon appears and it is playable.
That's what I usually have to do each time I visit a site, such as youtube or Veoh or the CW to watch the streaming broadcasts of Veronica Mars or One Tree Hill.
So, maybe you can try this hint and let me know if this works for you too.
And while we're at it a little rant is in order: Safari is truly crappy when it comes to alot of extras that should be there (such as using the built-in html editors in wordpress) or something like acid search which is really great or safari extender or taboo or cookie cutter or other built-in or add-on features that are availble for FREE in firefox & that are very valuable -- but when you try to add some of those little extras to safari (often they cost $$) Safari becomes even buggier, more unstable and slower than slow molasses. It is a less than ideal browser. Fine if you don't do much or expect much sure, then it's mediocre at best.
And like the horribly sluggish spotlight and finder (which DEvolved instead of Evolved) it needs some major improvements to be a real winner. Now, it's simply okay, unimpressive and underwhelming.

Pc running Win 7---unable to view youtube videos, running IE update 10.0.7 and Firefox 22.0.

Adobe says installation complete and flash is installed but when clicking on a you tube video it says I must install flash player. Why? If it is already installed?

For IE, see: http://forums.adobe.com/thread/885448

Youtube videos/Flash games won't play/freeze browser in Firefox

Ever since I updated to the latest Firefox version I cannot get YouTube videos or Flash games to play. It will load the page and where the video should be it just displays a white space, like the player itself doesn't exist. Youtube when it first loads the page will show the black "video" screen for a split second before disappearing as if it never existed, and then the screen freezes and I have to start the task manager to end the program and restart Firefox. I have refreshed Firefox multiple times, downloaded the latest version of flashplayer and made sure that the plugin is activated to no avail. The funny thing is, is that the videos and games play just fine in Internet Explorer, so it's not a problem with the graphics or hardware on the computer itself.

Tried that solution many times. It had no effect. Here is the event log:
- System
- Provider
[ Name] Application Hang
- EventID 1002
[ Qualifiers] 0
Level 2
Task 101
Keywords 0x80000000000000
- TimeCreated
[ SystemTime] 2015-02-26T05:14:27.000000000Z
EventRecordID 115925
Channel Application
Computer INSPRIATION
Security
- EventData
firefox.exe
35.0.1.5500
1b2c
01d05182065baf97
4294967295
C:\Program Files (x86)\Mozilla Firefox\firefox.exe
55355456-bd76-11e4-bf49-a0481c25d471
54006F00700020006C006500760065006C002000770069006E0064006F0077002000690073002000690064006C00650000000000
Binary data:
In Words
0000: 006F0054 00200070 0065006C 00650076
0010: 0020006C 00690077 0064006E 0077006F
0020: 00690020 00200073 00640069 0065006C
0030: 00000000
In Bytes
0000: 54 00 6F 00 70 00 20 00 T.o.p. .
0008: 6C 00 65 00 76 00 65 00 l.e.v.e.
0010: 6C 00 20 00 77 00 69 00 l. .w.i.
0018: 6E 00 64 00 6F 00 77 00 n.d.o.w.
0020: 20 00 69 00 73 00 20 00 .i.s. .
0028: 69 00 64 00 6C 00 65 00 i.d.l.e.
0030: 00 00 00 00 ....
Suggestions?

Adobe Flash keeps popping up on YouTube videos, can't get rid of it.

Cannot play YouTube videos, adobe flash keeps popping up, want to get rid of it, any advice?

The app is usually the best way to access YouTube.
You can try some of the 'standard' troubleshooting for Safari :
Try clearing Safari's cache : Settings > Safari > Clear Cache (and Clear History)
If that doesn't work then try closing Safari completely and then re-open it : from the home screen (i.e. not with Safari 'open' on-screen) double-click the home button to bring up the taskbar, then press and hold any of the apps on the taskbar for a couple of seconds or so until they start shaking, then press the '-' in the top left of the Safari app to close it, and touch any part of the screen above the taskbar so as to stop the shaking and close the taskbar.
A third option is a reset : press and hold both the sleep and home buttons for about 10 to 15 seconds (ignore the red slider), after which the Apple logo should appear - you won't lose any content, it's the iPad equivalent of a reboot.

Why do some YouTube videos stop playing after a short time?

Since sometime in October, 2013, I have noticed that more and more YouTube videos stop playing within a minute of starting. Most that stop do so in 15 or 16 seconds. The playing stops because the download stops. I watch this on a network activity monitor I always have running. Not all videos do this, but the problem is becoming more and more frequent. Some videos which played correctly for me in the recent past are now exhibiting this problem.
Other than installing the latest Firefox updates I have NOT changed the software on my machine. I run Linux by the way. I do not think this is a Linux problem because (1) it was all working before and (2) my son who runs both Mac OS X *and* Windows is also seeing the same problem. We both use Firefox as our browser on all our platforms.
I should also note that I am NOT seeing this problem with any of the other video websites I use, only when I go to YouTube. That leads me to believe that the problem is not in Firefox; if it were it should affect videos from all websites.
Additionally the problem occurs whether or not I log into YouTube.
I have not run Firefox in safe mode because all the extensions I use did not affect the download of Videos before, so I don't expect unchanged extensions to suddenly start causing problems.
So, anyone else see this problem? (There was another note which talked about the same problem but it was disabled.)
Also -- pardon my paranoia, but -- I need to ask: Since YouTube is owned by Google and Google has its own browser it wants you to use, Chrome, is it possible that Google is intentionally causing some YouTube videos to fail if it sees that they are being sent to Firefox?
(That is not so outlandish I think. Microsoft WAS at one point caught mangling web pages going to certain web browsers other than IE. And these days Google wants to dominate the Internet just as badly as Microsoft does, so why not pull dirty tricks too?)
If this keeps happening I am going to have to try Google's Chrome to see if it somehow manages to play YouTube videos correctly while Firefox does not. But I really do NOT want to install Chrome because I trust Google about as much as I trust Microsoft, which is to say Not At All.
Thanks in advance.

Hello,
There have been some issues with Flash 11 in the recent past. This could be a manifestation of that issue. Kindly check this response below to see if this helps you in viewing Flash videos.
Also, if you want to check if this is a flash problem and specifically on youtube, you can try the HTML5 version of Youtube. In this, there are no plugins involved, and the browser natively renders the videos. You can signup for the HTML5 trial by visiting http://youtube.com/html5. Please try that and check if the issue goes away.
Also, in this case, Google might not be doing anything sinister - they generally try to be standards compliant too. You can definitely try installing Google Chrome and test this issue, but we definitely would want you to continue to be a Firefox user :)
<hr>
Some problems with Flash video playback can be resolved by disabling hardware acceleration in your Flash Player settings. (See [[Flash Plugin - Keep it up to date and troubleshoot problems|this article]] for more information on using the Flash plugin in Firefox).
To disable hardware acceleration in Flash Player:
#Go to this [http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues Adobe Flash Player Help page].
#Right-click on the Flash Player logo on that page.
#Click on '''Settings''' in the context menu. The Adobe Flash Player Settings screen will open.
# Click on the icon at the bottom-left of the Adobe Flash Player Settings window to open the Display panel. <br/> <br/>[[Image:fpSettings1.PNG]] <br/>
# Remove the check mark from '''Enable hardware acceleration'''.
# Click '''Close''' to close the Adobe Flash Player Settings Window.
# Restart Firefox.
This [http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html Flash Player Help - Display Settings page] has more information on Flash Player hardware acceleration, if you're interested.
<hr>
Also, try this one too
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 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!

Youtube video's - flash update issue

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