Some videos will not play in FF 4 (and earlier versions)

Some videos will not play in FF 4 (and earlier versions) particularly on facebook. I have the latest version of shockwave flash. Here's what I've tried and has not worked: disabled ad blocker, turned hardware acceleration on/off, installed WMP plug-in, installed VLC multimedia plug-in, installed quick time plug-in, changed plugin-container.exe compatibility to win98/ME. Samething in Win 7. Thanks.

Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
''(If you're not using it, switch to the Default theme.)''
* On Windows you can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac you can open Firefox 4.0+ in Safe Mode by holding the '''option''' key while starting Firefox.
* On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
* Or open the Help menu and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
[[Image:FirefoxSafeMode|width=520]]
''Once you get the pop-up, just select "'Start in Safe Mode"''
[[Image:Safe Mode Fx 15 - Win]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshooting extensions and themes]] article for that.
''To exit the 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 other users who have the same problem.''
Thank you.

Similar Messages

  • Some videos will not play (blank screen).

    Some of my videos will not play. I select the video and a "Play" arrow shows in the upper left portion of the screen, but the screen is dark (blank). I can press Menu and return.
    I don't believe it's a size issue because certain other larger videos do play. Nor do I think it's a format issue because all of the videos are the same format (*.m4v). It also doesn't appear to be a time/sync issue because some videos added after others do play and some don't.
    I really don't have a problem reformatting and starting over if that is the best or only solution as I only use iTunes and don't have calendar, notes, etc.
    Thanks in advance.
    iTunes Ver 10.5.1.42
    iPod Classic 30Gb Ver 1.3
    O/S Windows XP SP3

    Where are these from? Are they from the iTunes Store or where they downloaded elsewhere and then added to your library?  Perhaps you can try restoring your iPod to factory settings and then resyncing the videos back over to it.
    If the videos are not from iTunes, perhaps you can try and re-convert them using a third party utility such as Handbrake or MPEG Streamclip.
    http://www.squared5.com/
    http://handbrake.fr/
    B-rock

  • Some videos will not play in the Public site

    For some reason, I have quite a few videos that do not play in the public site while other videos play just fine. When selecting a video, the player opens but the video never starts.
    Any ideas?

    Hi dalekw83,
    Thanks for visiting Apple Support Communities.
    If videos will not play in iTunes for Windows, start with the troubleshooting tips found here:
    Troubleshooting iTunes for Windows Vista or Windows 7 video playback performance issues
    http://support.apple.com/kb/ts1718
    All the best,
    Jeremy

  • Hi, I uploaded some flv videos to my blog and can see it fine on my G5, my the videos will not play in Safari on my iPhone iOS4. Anyone know how to fix this?

    Hi, I uploaded some flv videos to my blog and can see it fine on my G5, my the videos will not play in Safari on my iPhone iOS4. Anyone know how to fix this?

    I've also tried m4v and avi files. Is there another file format that will work?

  • I noticed after switching from IE9 to Firefox that some website videos will not play. How is this corrected?

    I sometimes want to look at how-to videos. Some play and some do not in Firefox. When a message does come up on the screen it says someting like 'sorry, but the video will not play...do you wish to download the plugin?'. Because I am very catious about what I download, I am not confident about downloading a plugin. Does anyone know what I need for Firefox to play all website videos?
    +++++++++++++++++++++++++++++++++++++++++++++++
    I am adding this to my original question:
    I see that quick-time is an available plugin...Is this soething that will work?
    ++++++++++++++++++++++++++++++++++++++++++++++++
    Thank you

    You're welcome. Glad I was able to help you.

  • Certain music videos will not play in iTunes.  The music plays fine but not the video.  No picture.

    Certain music videos will not play in iTunes.  The music plays fine but not the video.  No picture.  Same with the iPod.  Other videos in the library play fine. Help.

    Regular playlists vs smart playlist does not make a difference. What I noticed is that some videos create this behavior and some not. I created 2 videos and 2 music playlists, one with 2 songs and 2 videos (that I encoded myself with Handbrake). Another list with 2 videos and 2 songs, videos encoded with Handbrake, but that I noticed they triggered the behavior. The first playlist played fine, with no problems. The second one, created the problem. When I look at the video, it is the same type of video (bit rate, audio channels, etc...) I don't see why it would do that.
    Later I will test: playing those videos in question and then selecting songs to see if they play.

  • My iPod turns off automaticly. And videos will not play.

    My iPod turns off automaticly. It is not just locking it fully shuts down. And videos will not play.

    Try Hard Reset > Restore > Contact Apple for service.
    Basic troubleshooting steps  
    17" 2.2GHz i7 Quad-Core MacBook Pro  8G RAM  750G HD + OCZ Vertex 3 SSD Boot HD 
    Got problems with your Apple iDevice-like iPhone, iPad or iPod touch? Try Troubleshooting 101

  • Video will not play, yet audio does.

    Like the header says, all of a sudden I go to work on a project I've never had trouble with and the video will not play; it is frozen wherever the cursor is. Yet the audio does play. I've tried clearing cache, clearing premiere cache, gone all over the internet to try and find an answer, of course India is closed right now, so no help there, not that they really give it anyway. So I'm asking if anyone might have experienced this one and figured it out despite Adobe. I'm on a PC with Windows 8 and terabytes and terabytes of storage; plenty of space left on disc, too. As I said; this has never been even a hint of a problem Just started up today. This even beats most Adobe "beta testing" problems they heap on us unsuspecting sheep. So I'm completely flummoxed. A prize to whoever knows what's up with this! It's a new one on me... Thanks in advance to whichever genius knows the answer! :-)
    [Please choose only a short description for the thread title.]
    Message was edited by: Jim Simon

    OK, I found the answer by myself and wish to share it with those having the same issue. It turns out that the saved workspace can corrupt allowing audio to play, while video remains frozen. The fix is to change the workspace. Go to WINDOW, after creating a new style workspace and save the new workspace. Problem fixed. Also, if there are already a number of other saved workspaces that involve video you can simply change to that one and it will be fixed. Delete the corrupt workspace. That's it! This was discovered through a simple process of elimination which proves that bugs really can surface anywhere for no intuitive reason. Hope this helps you!

  • Certain website's videos will not play, MLB and Jay Leno's garage. Why?

    Not sure when this started to happen - perhaps the last update but now the Baseball website and the Jay Leno's garage website's video will not play. They appear to go to sleep while loading. (The little circle goes round and round but never stops.) Other sites seem to work fine.
    == This happened ==
    Not sure how often
    == Since the last update??

    Try these steps, taking the next one if a previous one didn't help:
    *[http://support.mozilla.com/en-US/kb/Basic+Troubleshooting#Clear_cookies_and_cache clear cookies and cache] (usually helps with site specific issues),
    *test it in [[safe mode]] (usually helps if a recently installed addon is troublesome;
    **start it in normal mode again then,
    **disable all add-ons in tools - addons,
    **then re-enable them by halves to find the culprit),
    *remove and re-add Firefox to your [[firewalls]] trusted lists (helps if you can't access the web after an update).

  • ITunes videos will not play

    Ever since I've updated to the newer iTunes version, my videos will not play correctly. Any video I bought on iTunes will not work. Also any video previews or trailers from iTunes will not work. Any other video from online or ones that I've recorded work normally. When I try to play a video, this is what it looks like:
    The picture does not show, but the audio plays perfectly. Quicktime and every other software is updated. I've tried to find the answer on the forums but couldn't find one similar to my problem. Also, I cannot contact any apple support by phone because I'm currently living in China and this or e-mail is the most conveinent.
    Help!
    Thanks,
    K.

    Hi Oicrylic,
    If you are still having video playback issues in iTunes, you may want to try the following user isolation troubleshooting to see if the issue can be localized to either a user or a system level cause.
    Apple Support: Isolating an issue by using another user account
    http://support.apple.com/kb/TS4053
    Mac OS X: How to troubleshoot a software issue
    http://support.apple.com/kb/ht1199
    Regards,
    - Brenden

  • Videos will not play in presentation mode.

    Videos will not play in presentation mode. They play fine when I preview them in Keynote but once I am presenting it trys to play and then skips the slide. 

    Hi dalekw83,
    Thanks for visiting Apple Support Communities.
    If videos will not play in iTunes for Windows, start with the troubleshooting tips found here:
    Troubleshooting iTunes for Windows Vista or Windows 7 video playback performance issues
    http://support.apple.com/kb/ts1718
    All the best,
    Jeremy

  • I updated to IOS 7 on my Ipad 2 and now videos will not play, they freeze and skip and will not play.

    I updated to IOS 7 on my Ipad 2 and now videos will not play, they freeze and skip and will not play.  Can anyone help?

    Try this  - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.) No data/files will be erased. http://support.apple.com/kb/ht1430
    How much Available storage space do you have?
    iOS 7: Help with how to fix a crashing app on iPhone, iPad (Mini), and iPod Touch
    http://teachmeios.com/help-with-how-to-fix-a-crashing-app-on-iphone-ipad-mini-an d-ipod-touch/
     Cheers, Tom

  • My quicktime videos will not play on my hp envy (windows 7). the computer freezes and i have to res

    my quicktime videos will not play on my hp envy15 (windows 7 64).  the screen goes black, freezes and i have to restart.
    I have tried to open files by opening itunes or quicktime or media player.  I have been able to play the videos broefly but then they typically freeze.

    Uninstall Quicktime, Then reinstall it. 
    http://www.apple.com/quicktime/
    THX

  • My Mac will burn a DVD from iPhoto but the images and videos will not play on my DVD player. I am using DVD-R disks

    My Mac will burn a DVD from iPhoto but the images and videos will not play on my DVD player. I am using DVD-R disks

    Hi john, try Burn...
    http://burn-osx.sourceforge.net/Pages/English/home.html

  • My computer won't play videos from site like the Daily Show and the CW, but they stopped working last week. I have the newest version of Adobe player. Anyone know why the full videos will not play?

    My computer won't play videos from site like the Daily Show and the CW, but they stopped working last week. I have the newest version of Adobe player. Anyone know why the full videos will not play?

    I failed to mention that the sound does play on the videos that are not playing.

Maybe you are looking for

  • How to change DEFAULT font and font size on new Pages document

    When I open a new Page document, it always comes in with a default font and font size. I know how to change those settings on the open document. I want to know how to change the ~default~ font and font size so that a new Page document always opens wi

  • I've become locked out of my time machine back up--how do I override or re-format the thunderbolt drive?

    How do I re-format thunderbolt drive used as time machine backup?  Password is not working and I just need to do a new back up and am willing to reformat the drive but can't get past password dialog box.

  • How to pull out productivity report ?

    Dear SAP Pros, How does a person pull out the Productivity report in SAP ? There is a user in Infrastructure Logistics who does not know how to pull out the Quaterly Productivity Report . Thanks, D

  • Certificate outgoing invoice - pdf attachment

    Dear people, I would like to ask you for help. When we create invoice, it is sent via email as pdf file attachment. I need to certify this attachment. There are many materials how to do it, but I nowhere found any complex solution. Right now we are u

  • Search for duplicate

    hi there. i am running though an issue with looking for duplicates. right now. my vi is searching for the duplicate, once it is found, it will display "duplicate found". i am facing a new problem. lets say i have 10 devices and 10 positions those dev