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Unable to watch YouTube videos with Firefox

Kuphostiwe

We are unable to watch any YouTube videos with Firefox. I've added and removed Flash plugins, added and removed HTML5 (several different plugins for it), deleted all history and cookies, started in safe mode, uninstalled and reinstalled, and basically did every other troubleshooting issue I could (aside from DNS because we use corporate DNS). We are unable to show training videos and other work related videos in a corporate environment. We either get the message 'an error has occurred' or 'no video with supported format and MIME type found'. When you first load up YouTube, the featured video at the top of the page comes up as 'secure connection failed'. You can't load the site at all without https, so that wasn't an option to try. Our Flash is updated to the most recent version, so there shouldn't be a security issue there. YouTube is allowed through our firewall. Any help would be appreciated.

We are unable to watch any YouTube videos with Firefox. I've added and removed Flash plugins, added and removed HTML5 (several different plugins for it), deleted all history and cookies, started in safe mode, uninstalled and reinstalled, and basically did every other troubleshooting issue I could (aside from DNS because we use corporate DNS). We are unable to show training videos and other work related videos in a corporate environment. We either get the message 'an error has occurred' or 'no video with supported format and MIME type found'. When you first load up YouTube, the featured video at the top of the page comes up as 'secure connection failed'. You can't load the site at all without https, so that wasn't an option to try. Our Flash is updated to the most recent version, so there shouldn't be a security issue there. YouTube is allowed through our firewall. Any help would be appreciated.

Eminye Imininingwane Yohlelo

Fakela amapulagi

  • Adobe PDF Plug-In For Firefox and Netscape 15.6.30198
  • A plugin to detect whether the Adobe Application Manager is installed on this machine.
  • Citrix Online App Detector Plugin
  • Intel web components updater - Installs and updates the Intel web components
  • Intel web components for Intel® Identity Protection Technology
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Next Generation Java Plug-in 11.91.2 for Mozilla browsers
  • The plugin allows you to have a better experience with Microsoft SharePoint
  • NPWLPG
  • Shockwave Flash 22.0 r0
  • 5.1.41212.0

Isisebenziso

  • Firefox 47.0
  • Umsebenzisi oyi-ejenti: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:47.0) Gecko/20100101 Firefox/47.0
  • I-URL Yokweseka: https://support.mozilla.org/1/firefox/47.0/WINNT/en-US/

Izandiso

  • Firefox Hello 1.3.2 (loop@mozilla.org)
  • HTML5 Video Everywhere! 0.3.4 (html5-video-everywhere@lejenome.me)
  • Multi-process staged rollout 1.0 (e10srollout@mozilla.org)
  • Pocket 1.0.2 (firefox@getpocket.com)
  • Universal Print 0.4.25.1-signed.1-let-fixed.1-signed ({BE2100B3-1D80-48eb-ACCF-D26750644378})
  • YouTube ALL HTML5 3.0.3 (jid1-qj0w91o64N7Eeg@jetpack)
  • Adobe Acrobat DC - Create PDF 15 (web2pdfextension.15@web2pdf.adobedotcom) (Akusebenzi)
  • YouTube Flash Video Player 47.0 ({f3bd3dd2-2888-44c5-91a2-2caeb33fb898}) (Akusebenzi)

I-Javascript

  • incrementalGCEnabled: True

Imidwebo

  • adapterDescription: AMD FirePro W5100 (FireGL V) Graphics Adapter
  • adapterDescription2:
  • adapterDeviceID: 0x6649
  • adapterDeviceID2:
  • adapterDrivers: aticfx64 aticfx64 aticfx64 aticfx32 aticfx32 aticfx32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64
  • adapterDrivers2:
  • adapterRAM: 4095
  • adapterRAM2:
  • adapterSubsysID: 230c1028
  • adapterSubsysID2:
  • adapterVendorID: 0x1002
  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'']
  • directWriteEnabled: False
  • directWriteVersion: 6.2.9200.17568
  • driverDate: 1-26-2015
  • driverDate2:
  • driverVersion: 14.502.1005.0
  • driverVersion2:
  • info: {u'AzureCanvasAccelerated': 0, u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'cairo'}
  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'']
  • numTotalWindows: 1
  • supportsHardwareH264: No; Hardware video decoding disabled or blacklisted
  • webglRenderer: Google Inc. -- ANGLE (AMD FirePro W5100 (FireGL V) Graphics Adapter Direct3D9Ex vs_3_0 ps_3_0)
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Basic

Okuthandwayo Okulungisiwe

Misc

  • Umsebenzisi JS: Cha
  • Ukufinyeleleka: Cha
FredMcD
  • Top 10 Contributor
4306 izisombululo 60424 izimpendulo
Kuphostiwe

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options)
key, and then starting Firefox. A small dialog should appear. Click Start In Safe Mode (not Refresh).

Is the problem still there?


There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.

http://www.ehow.com/how_11385212_troubleshoot-reset-connection-firefox.html

https://support.mozilla.org/en-US/kb/server-not-found-connection-problem

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

http://kb.mozillazine.org/Error_loading_websites

https://www.bing.com/search?q=web+site+access+denied

https://support.mozilla.org/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER

This Connection is Untrusted is sometimes caused because the computer system clock is wrong. Check the time / date / time zone settings.

Start '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Firefox in Safe Mode]''' {web Link} by holding down the '''<Shift><br> ''(Mac=Options)'' ''' key, and then starting Firefox. A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). Is the problem still there? ------------- There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate. http://www.ehow.com/how_11385212_troubleshoot-reset-connection-firefox.html https://support.mozilla.org/en-US/kb/server-not-found-connection-problem https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message https://support.mozilla.org/en-US/kb/connection-untrusted-error-message '''http://kb.mozillazine.org/Error_loading_websites''' https://www.bing.com/search?q=web+site+access+denied https://support.mozilla.org/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER '''This Connection is Untrusted''' is sometimes caused because the computer system clock is wrong. Check the time / date / time zone settings.