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Videos on YouTube not displaying

Posted

For the last few days the videos on YouTube are not displaying. Everything else on the video page appears normal - video title, description, comments, etc. Flash is up to date, as are all other plugins and addons. YT works fine in IE.

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.7 r700
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.7
  • Next Generation Java Plug-in 10.21.2 for Mozilla browsers
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.

Application

  • Firefox 21.0
  • User Agent: Mozilla/5.0 (Windows NT 6.0; rv:21.0) Gecko/20100101 Firefox/21.0
  • Support URL: http://support.mozilla.org/1/firefox/21.0/WINNT/en-US/

Extensions

  • Adblock Plus 2.2.4 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d})
  • BetterPrivacy 1.68 ({d40f5e7b-d2cf-4856-b441-cc613eeffbe3})
  • ColorfulTabs 18.8 ({0545b830-f0aa-4d7e-8820-50a4629a56fe})
  • DblClicker 1.7.0 (dblclicker@byo.co.il)
  • DoNotTrackMe 2.2.9.520 (donottrackplus@abine.com)
  • DownloadHelper 4.9.15 ({b9db16a4-6edc-47ec-a1f4-b86292ed211d})
  • Flagfox 4.2.9 ({1018e4d6-728f-4b20-ad56-37578a4de76b})
  • Ghostery 2.9.5 (firefox@ghostery.com)
  • Microsoft .NET Framework Assistant 0.0.0 ({20a82645-c095-46ed-80e3-08825760534b})
  • My Homepage 1.2 (myhomepage_manishjain9@gmail.com)
  • Norton Toolbar 2013.3.5.1 ({2D3F3651-74B9-4795-BDEC-6DA2F431CB62})
  • Norton Vulnerability Protection 11.3.0.9 - 5 ({BBDA0591-3099-440a-AA10-41764D9DB4DB})
  • NoScript 2.6.6.2 ({73a6fe31-595d-460b-a920-fcc0f8843232})
  • Remove It Permanently 1.0.6.10 ({1dbc4a33-ea62-4330-966c-7bdad3455322})
  • SmoothWheel (AMO) 0.45.8.20130519.3 ({5F590AA2-1221-4113-A6F4-A4BB62414FAC})
  • Tab Scope 1.2 (tabscope@xuldev.org)
  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • WOT 20130515 ({a0d7ccb3-214d-498b-b4aa-0e8fda9a7bf7})

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: NVIDIA GeForce 8600 GT
  • adapterDescription2:
  • adapterDeviceID: 0x0402
  • adapterDeviceID2:
  • adapterDrivers: nvd3dum nvwgf2um
  • adapterDrivers2:
  • adapterRAM: 256
  • adapterRAM2:
  • adapterVendorID: 0x10de
  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'tryNewerDriver', u'257.21']
  • directWriteEnabled: False
  • directWriteVersion: 7.0.6002.18592
  • driverDate: 9-17-2007
  • driverDate2:
  • driverVersion: 7.15.11.6371
  • driverVersion2:
  • info: {u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'none'}
  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'tryNewerDriver', u'257.21']
  • numTotalWindows: 2
  • webglRendererMessage: [u'tryNewerDriver', u'257.21']
  • windowLayerManagerType: Basic

Modified Preferences

  • accessibility.blockautorefresh: True
  • accessibility.typeaheadfind.flashBar: 0
  • browser.cache.disk.capacity: 358400
  • browser.cache.disk.smart_size.first_run: False
  • browser.cache.disk.smart_size.use_old_max: False
  • browser.cache.disk.smart_size_cached_value: 358400
  • browser.history_expire_days.mirror: 180
  • browser.history_expire_days_min: 1
  • browser.places.importBookmarksHTML: False
  • browser.places.importDefaults: False
  • browser.places.leftPaneFolderId: -1
  • browser.places.migratePostDataAnnotations: False
  • browser.places.smartBookmarksVersion: 4
  • browser.places.updateRecentTagsUri: False
  • browser.search.update: False
  • browser.startup.homepage: http://www.google.com/
  • browser.startup.homepage_override.buildID: 20130511120803
  • browser.startup.homepage_override.mstone: 21.0
  • browser.tabs.loadInBackground: False
  • browser.tabs.onTop: False
  • browser.tabs.warnOnClose: False
  • browser.tabs.warnOnCloseOtherTabs: False
  • browser.tabs.warnOnOpen: False
  • browser.urlbar.default.behavior: 2
  • dom.disable_open_during_load: False
  • dom.ipc.plugins.enabled.npctrl.dll: False
  • dom.ipc.plugins.enabled.npqtplugin.dll: False
  • dom.ipc.plugins.enabled.npswf32.dll: False
  • dom.ipc.plugins.enabled.nptest.dll: False
  • dom.max_chrome_script_run_time: 40
  • dom.max_script_run_time: 40
  • dom.mozApps.used: True
  • dom.w3c_touch_events.expose: False
  • extensions.lastAppVersion: 21.0
  • font.internaluseonly.changed: False
  • general.useragent.extra.betterprivacy:
  • gfx.blacklist.suggested-driver-version: 257.21
  • network.cookie.cookieBehavior: 1
  • network.cookie.lifetimePolicy: 2
  • network.cookie.prefsMigrated: True
  • places.database.lastMaintenance: 1370653760
  • places.history.expiration.transient_current_max_pages: 53615
  • places.last_vacuum: 1329102808
  • plugin.disable_full_page_plugin_for_types:
  • privacy.cpd.extensions-betterprivacy: True
  • privacy.cpd.sessions: False
  • privacy.donottrackheader.enabled: True
  • privacy.sanitize.migrateFx3Prefs: True
  • privacy.sanitize.timeSpan: 0
  • security.disable_button.openCertManager: False
  • security.disable_button.openDeviceManager: False
  • security.OCSP.disable_button.managecrl: False
  • security.warn_entering_weak: False
  • security.warn_entering_weak.show_once: False
  • security.warn_viewing_mixed: False
  • security.warn_viewing_mixed.show_once: False

Misc

  • User JS: No
  • Accessibility: No
Andrew
  • Top 25 Contributor
  • Moderator
251 solutions 3015 answers

Hello,

In order to better assist you with your issue please provide us with a screenshot. If you need help to create a screenshot, please see How do I create a screenshot of my problem?

Once you've done this, attach the saved screenshot file to your forum post by clicking the Browse... button below the Post your reply box. This will help us to visualize the problem.

Thank you!

cor-el
  • Top 10 Contributor
  • Moderator
10739 solutions 96645 answers

If you use extensions (Tools > Add-ons > Extensions) like Adblock Plus or NoScript or Flash Block that can block content then make sure that such extensions aren't blocking content.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe Mode start window or otherwise make changes.

If you use an extension like Ghostery then check the settings for Yahoo and possibly white-list the domain.

Clear the cache and the cookies from websites that cause problems.

"Clear the Cache":

  • Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox/Tools > Options > Privacy > Cookies: "Show Cookies"

Question owner

Thank you both for your replies. I am sorry to be so long in getting back to you, but until today I have not been able to address this annoying problem.

It turns out that the add-on Remove It Permanently was causing the problem. Since disabling it (and no other add-ons), YouTube seems to be working normally. Let me add that the add-on does work very well for its intended purpose, but in the YouTube case it became a little overzealous. It's odd that the videos played when I was not logged in, but blocked/removed when I was.

Again, thanks for responding.

Knight_Wolf 0 solutions 1 answers

A Firefox add-on called Google Disconnect 2.4.2 prevents YouTube videos from playing everywhere except on YouTube - if you unblock Google Requests in the drop down window the videos return and work fine. This is a small "g" on the right side of the browser window.