Why does YouTube freeze Mozilla Firefox?

George Adams January 5, 2013
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I’ve tried to disable a couple of things as recommended, but still having the same problem. Uninstalled and reinstalled but still not good.

  1. tspnyc
    February 5, 2013 at 3:34 am

    OK I see now that I Explorer is freezing just as much once I go to HD on the videos.

    I have Road Runner cable, not using wireless, 16 MB of RAM and the latest Flash.

    I think it still points to the particular server or node that Youtube is hosting the video on.

  2. tspnyc
    February 5, 2013 at 3:31 am

    It is not the flash version, I have the latest version and some videos freeze every few seconds. I assumed it was related to the time of day and youtube being over crowded, but I see the same HD video does not freeze at all on Internet Explorer.

    A bit of a shock since I always considered Firefox to be superior than IE.

    I will NEVER use Chrome, or gmail or G anything, until Google signs the international privacy agreements. And no, Microsoft or any another company does not invade privacy and systematically read all content of private mail, etc. the way Google does.

  3. Yashodhan Bhatt
    January 25, 2013 at 3:44 pm

    Its simple brother, You need to update your flash player.Check your version here:

  4. Charles Yost
    January 17, 2013 at 11:14 pm

    I would recommend using Google Chrome. I find it to be fairly fast and have very little problems with it. Just make sure to keep it up to date.

  5. Silhoutte James
    January 9, 2013 at 11:56 am

    This happens to me too. Happens at the start of the video, feels like if it happens more often on some videos, audio may start but video instantly freezes within 2 seconds and then none of the buttons in Firefox work -> must kill using task manager.

    So this doesn't happen everytime but when watching many videos it will eventually crash.

    Also I have Vista 64 and this problem started occuring within few weeks, no problems at all before this. (problem with new flash or firefox?)

    Happens in safe mode with only flash enabled. Tried reinstalling Firefox and flash players.

    I thought Firefox 3.6.6 shouldn't crash when plugins fail. Also Shockwave Flash version

  6. Kali Jensen
    January 9, 2013 at 3:23 am

    well, i dont really know, but firefox is slow, if you want a web browser that works then download google chrome, it is very fast and reliable and it doesnt freeze up like internet explorer or mozilla firefox

  7. Joel Shimberg
    January 7, 2013 at 9:38 pm

    Are you going to answer the question?

  8. Ijtaba Alavi
    January 7, 2013 at 9:06 pm

    Do this... (or skip if u see that u hv tried this already)
    1) reboot your OS, then proceed to clearing all ur browser data
    2) start by disabling addons then uninstalling them, then reinstalling firefox (clear registry before doing that).
    3) now start by reinstalling/updating your Flash Player (get.adobe.com/flash) and Java (www.java.com).
    4) even if this doesn't works well, then check this...
    just open up youtube and start watching videos.. does player works fine or not?
    then start opening 3-4 more tabs of same video (or different) now open facebook and twitter too..
    your firefox will start freezing....
    => check the cache settings override them to manual! and put them to their maximum (1024mb)...
    on Windows 8 (i'm using for more than a month, a regular firefox user) it freezed only 2 times... but on windows 7 it used to freeze like hell and sometimes it freeze teh display too !
    Opening firefox for too long causes this problem, minimizing the firefox when many tabs are opened causes this too...
    i'm just telling the methods to avoid freezes !!! :)

  9. David
    January 7, 2013 at 8:59 pm

    Not ony Youtube but Flash is doing that, several time a session on flash enabled sites.

  10. Alexis Ceroleni
    January 7, 2013 at 8:55 pm

    Change the browser. I haven0't had that problem since I use Palemoon which is a browser based of Firefox with many tweaks that makes it more stable and you can still use the same skins, plugins, etc as on Firefox.

  11. Anonymous
    January 7, 2013 at 8:44 pm

    you can try enabling HTML5 from your google/youtube account from here:

    that should avoid loading that flash player.

  12. Saurabh Kumar
    January 7, 2013 at 4:31 pm

    Have u installed the appropriate flash player?
    U should also try using other browsers....

  13. Shankar C
    January 6, 2013 at 11:44 am

    Uninstall using your uninstaller.
    Clean registry and then install. If problen still exists then it may be plugin problem . Update ur adobe flash plugin.

  14. Ashwin Divakaran
    January 6, 2013 at 9:01 am

    Use Chrome or Opera .

  15. Junil Maharjan
    January 6, 2013 at 4:59 am

    I had similar problem with flash videos. whenever i tried to check a flash video, it would freeze my firefox then i found the solution. configure or create mms.cfg file. check this link http://techdows.com/2012/06/disable-flash-players-protected-mode-for-firefox.html

    • Jose Paolo Gonzales Otico
      January 6, 2013 at 9:42 pm

      When I used to use firefox, this fixed it.

  16. Yiz Borol
    January 6, 2013 at 4:48 am

    Have you tried using youtube on other web browsers?

    What are the hardware specs of your computer?

    Did youtube always not work, or is this a recent issue.

    Which version of Firefox did you first notice this problem in?

    Do you have flash installed on your computer?

  17. Paul Pruitt
    January 6, 2013 at 3:38 am

    Check IE and Chrome to see if you are having the same issue. I was have transient freezes too with my new PC 9 moths ago. I thought there was something wrong with the disk. So I bought an SSD and put my OS on that and the issue went away. The big spinning platter disk has not failed in the interim and no SMART analysis gave me any indication it was going bad so maybe it was just this Protected Mode issue; that would be interesting.

  18. ha14
    January 6, 2013 at 2:35 am

    Flash Player 11.3 Protected Mode - Windows

    downgrade firefox see if freezing will be over

    How do I disable or enable hardware acceleration?

  19. Alan Wade
    January 5, 2013 at 10:27 pm

    There are many posts that ask for help without being clear or giving details of their problems, you are one of them!
    Dont be vague! Help us to help you, give a few details.

    Does I.E. freeze YouTube as well?

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