Opening Youtube makes Firefox unresponsive off-and-on.

I'm currently running FF 30.0 with Shockwave Flash 14.0.0.145 in Windows 8.1. Whenever I open Youtube, Firefox immediately becomes unresponsive for a few seconds, after which it alternates between being responsive and unresponsive. This is just from opening Youtube, not from trying to play videos even. I know that this sort of problem is fairly common, so I already tried disabling protected mode in my flash plugin and disabling hardware acceleration, but neither of these things has helped. Any suggestions on what I should try next are appreciated. Thanks!

Do you keep a large history?
"3-bar" Firefox menu button > History > Show Al History
You can also check for problems with the sessionstore.js and sessionstore.bak files in the Firefox profile folder that store session data.
*Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Multiple_profile_files_created
Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost and you will have to recreate them (make a note or bookmark them if possible).

Similar Messages

  • All of a sudden, new tabs have started opening up (in Firefox) advertising games and other stuff. Any idea's of what is going on here?

    All of a sudden, new tabs have started opening up (in Firefox) advertising games and other stuff. Any idea's of what is going on here?

    Try scanning for malware using the removal tools listed near the bottom of the [[Troubleshoot Firefox issues caused by malware]] article.
    It might also help if you could copy and paste troubleshooting information into your reply. See [[Use the Troubleshooting Information page to help fix Firefox issues]] for details.

  • My mac wont turn on. It is charging and the on light is on when the computer is shut but once I open it the light turns off and the screen is black.  I turn it off and then on again and the start up noise goes but it is still black - Help!?

    My mac wont turn on. It is charging and the on light is on when the computer is shut but once I open it the light turns off and the screen is black.  I turn it off and then on again and the start up noise goes but it is still black - Help!?

    Claire, please post your machine specs as requested. There are some variants of the MBP with specific hardware issues. Example: the older "silver key" MBPs with 2.2Ghz and faster processors can have a defective video chipset that produces a black screen or distorted video. That problem is covered under an Apple program that will fix this at no cost to you if you computer is that model.
    Do "About this Mac" from your Apple menu and, in the resulting window, click the "More Info..." button. That launches System Profiler for you. The first screen looks like this:
    The second line, "Model Identifier" (or "Machine Model" if you are running OS10.4) precisely identifies your MBP variant. Post that, and include it in your equipment info in your profile for future posts. That means people don't have to ask, and you get faster help that is targeted to your specific model. Saves everybody a bunch of keystrokes and you get better advice.

  • When I try and open Quicktime the computer switches off and reboots. Help!!

    I have been converting DVDs to MP4 to play on my new IPod Video. When I click on import in ITunes the computer switches off and reboots. I have reinstalled Quicktime but this has made no difference. I tried opening Quicktime and I had the same result. Any help would be appreciated.
      Windows XP  

    Thanks for the quick reply. The computer reboots even when I only open Quicktime without running an MPEG4. I think the problem is with Quicktime but have no idea what it is.

  • What is going on with firefox? Off and on during the last week there are problems.

    Ever since I downloaded the new firefox I keep getting a message saying "oops there is a problem"
    What is going on?

    Hi there harely95,
    I would recommend taking a look at the troubleshooting steps found in the article below.
    iPhone: Hardware troubleshooting
    http://support.apple.com/kb/TS2802
    Will not turn on, will not turn on unless connected to power, or unexpected power off
    Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
    Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
    Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
    After at least 30 minutes, if:
    The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
    The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
    Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
    If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
    If the display turns on, go to step 4.
    If the display remains black, go to next step.
    Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
    If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
    Issue not resolved
    My issue is still not resolved. What do I do next?
    Contact Apple Support.
    -Griff W.

  • Download error during Save Image As makes Firefox unresponsive

    As I too often do, after saving a web page with cmd-S, I mistakenly closed the tab while the page was still "downloading", and as usual, that created the annoying "Download Error" dialog.
    (Aside: I use the Mozilla Archive Format 3.0.0 extension, but still, the page is in the cache, so go figure why this error always happens.)
    This time, I had moved on to another Save activity, this time Save Image As, from the context menu, in my now-front tab, just as the error dialog appeared.
    This combo resulted in having the Download Error in one dialog and the Save Image As dialog both open at the same time, and none of the dialog buttons or available controls would dismiss any of the dialogs. I could press them, I could activate the menus, but Quit was unavailable from the File menu. So Firefox wasn't frozen or unresponsive in that way, but it was stuck. I couldn't get rid of the dialogs or do anything else until they were gone.
    I force closed with Activity Monitor.
    I realize there was an extension involved, but it still seems like I should have been able to activate the buttons or the close X on at least one of the dialog boxes.
    I don't need an answer, but I wanted to tell you about the issue. 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.

  • How do I make Firefox stop crashing and giving "not responding" messages. I don't want to reset it because I've got lots of extensions. Other browsers work fine

    Every few minutes it gives me a "not responding" message and/or it crashes. I've checked all my add-ons, they're all updated. I've tried accessing the same websites that crash on Firefox with other browsers and it works really well. I don't want to reset it as one of the troubleshooting solutions suggest because I'd rather change to another browser than having to re-install all my add-ons. Please, is there anything that can be done to fix this?

    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.)''
    * You can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
    * Or open the Help menu and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
    ''Once you get the pop-up, just select "'Start in Safe Mode"''
    '''''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.''
    Also try to disable hardware acceleration. Since this feature was added to Firefox, it has gradually improved, but there still are a few glitches.
    You might need to restart Firefox in order for this to take effect, so save all work first (e.g., mail you are composing, online documents you're editing, etc.).
    Then perform these steps:
    *Click the orange Firefox button at the top left, then select the "Options" button, or, if there is no Firefox button at the top, go to Tools > Options.
    *In the Firefox options window click the ''Advanced'' tab, then select "General".
    *In the settings list, you should find the ''Use hardware acceleration when available'' checkbox. Uncheck this checkbox.
    *Now, restart Firefox and see if the problems persist.
    Additionally, please check for updates for your graphics driver by following the steps mentioned in the following Knowledge base articles:
    * [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]]
    * [[Upgrade your graphics drivers to use hardware acceleration and WebGL]]
    Did this fix your problems? Please report back to us!
    Thank you.

  • I cannot see videos on YouTube with Firefox 5 (IE and Chrome are working)

    just reformatted, and downloaded the new FF 5, but cannot get youtube videos to load
    Windows 7, Dell Latitude E6510

    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 if above does not do it.

  • How do I make Firefox automatically download and install files?

    When I download an exe file from the internet, it goes over to the download window. I can see it downloading but I always have to right click and and select open to get it to install. How do I get it to always install automatically? There is never any option called "Download this type of file all the time".

    I've been trying to figure this out for days.

  • How do I take firefox 4 off and go back to 3.6

    I do not like the look or the difficulties associated with firefox 4 and ant to go back to something that is workable. How do I get rid of 4 and go back to 3.6

    You can get Firefox 3.6.16 here:
    http://www.mozilla.com/en-US/firefox/all-older.html
    http://support.mozilla.com/en-US/kb/Installing+a+previous+version+of+Firefox

  • Can i make firefox my hompage and customize the page with themes and content like yahoo does

    i want to be able to have firefox homepage and have themes and content on the whole page not just the toolbar portion. on yahoo i can do this but i am tired of them and want to change to firefox for my homepage if i can change the whole page.

    The built-in Firefox home page doesn't have widgets like My Yahoo. You may be able to find a good add-on for that, or you could consider the other sites that popped up when Google discontinued the iGoogle home page.
    Some links to help in your search:
    * Add-ons site: https://addons.mozilla.org/firefox/
    * Google search for other non-Mozilla sites: [https://www.google.com/search?q=%28igoogle+OR+myyahoo%29+%28alternative+OR+replacement%29 (igoogle OR myyahoo) (alternative OR replacement)]

  • How can I make firefox prefill username and password

    un and pw are still remembered, I can see them, however Firefox stopped prefilling them and now I have to manually enter them every time.

    I went Tools, Options, Security, Saved Passwords, Then I deleted the username and password that would not prefill. Then went to the site, typed in un and pw, it asked if remember, I said yes and now it works again. Till the next time it wants to stop.

  • Ipad1 ios5.0 after installing app doesn't keep on app kicks off before launch I already uninstalled and reinstalled I closed all open apps I turned iPad off and back on this isn't the first app this has done it to either any other ideas? Pls?

    IPad 1 iOS 5.0 isn't responding to app that is 5.0 or later requirements tried uninstalling reinstalling also also turning on and off iPad closing other apps nothingworking app doesn't launch any ideas?

    CS1 is not supported in Leopard if you had it working at some point you were lucky. Adobe does not plan on updating CS as it is an old version. Keep in mind that CS1 is now the last version that can be updated to CS4 now that Adobe has a 3 version update window. At the beginning of March Adobe will start tiered pricing and CS1 and CS2 will cost $200 more that you can upgrade to day. As soon as CS5 is released you will no longer be in the upgrade path and will need to pay full price for the CS5 creative suite.
    If you want to continue to use Leopard then it would be best for you to upgrade to CS4. If you will never need to upgrade then it would be best to downgrade your system to Tiger by either restoring from a backup of Tiger you made before your system upgrade or wiping the drive and installing Tiger fresh. You can't Downgrade the Leopard with Tiger as you could with previous systems.

  • Preferences window does not open, only makes firefox window inactive but preferences window never shows up.

    Firefox 3.6 preferences work normally, tested also with ff 3.6 removed.

    You should check to see if an add-on is interfering with the process. See [[Troubleshooting extensions and themes]].

  • Firefox cannot buffer when open youtube

    In my old computer, when I open youtube video firefox can buffer the video, so that when I go offline it still can play the video from cache. But now, in my new computer (I use Firefox 3.6 for start up) when I open video in youtube it can't buffer. when I go offline it can't play it again. When I checked in cache, it turn out firefox still save the video there.
    What is wrong with my firefox? I already try to match the setting and extension and plugin with the old one, but still not change anything. Please help... Thank you.

    problem solved. I just erased all cookies and history then restart Firefox. It works buffers ok!
    thanks.

Maybe you are looking for