the video player failed to load.(Error Code: 101102) | Firefox Support Forum (2025)

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the video player failed to load.(Error Code: 101102) | Firefox Support Forum (1)

  • 2 replies
  • 1 has this problem
  • 1908 views
  • Last reply by cor-el

MisterT99

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Firefox Version 66.0.3 on Win 10 x64

Go to this website: http://guide66.info/foxnewslive/

Video starts to play, then this error appears:the video player failed to load.(Error Code: 101102)

The video plays on other browsers: Chrome, IE, Edge

Thanks for any ideas

Firefox Version 66.0.3 on Win 10 x64Go to this website: http://guide66.info/foxnewslive/Video starts to play, then this error appears:the video player failed to load.(Error Code: 101102)The video plays on other browsers: Chrome, IE, EdgeThanks for any ideas

Chosen solution

If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block content (Adblock Plus, NoScript, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block content.

  • make sure your extensions and filters are updated to the latest version
  • https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems

Firefox shows the shield icon at the left end of the location/address bar in case Content Blocking is blocking content.

  • click the shield icon for more detail and possibly disable the protection

You can check the Web Console about what content is blocked

  • "3-bar" menu button or Tools -> Web Developer
  • https://support.mozilla.org/en-US/kb/tracking-protection
  • https://support.mozilla.org/en-US/kb/content-blocking

You can try these steps in case of issues with web pages:

You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the Cache and remove the Cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Remove the Cookies" from websites that cause problems:

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Manage Data

"Clear the Cache":

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Clear Data -> Cached Web Content: Clear

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window
  • https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
  • https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems

Read this answer in context 👍 0

All Replies (2)

WestEnd

4/25/19, 1:36 AM

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  • Quote

Here's more read on the error code.

http://www.wiki-errors.com/err.php?wiki=102

cor-el Moderator

4/25/19, 10:51 AM

more options

  • Quote

Chosen Solution

If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block content (Adblock Plus, NoScript, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block content.

  • make sure your extensions and filters are updated to the latest version
  • https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems

Firefox shows the shield icon at the left end of the location/address bar in case Content Blocking is blocking content.

  • click the shield icon for more detail and possibly disable the protection

You can check the Web Console about what content is blocked

  • "3-bar" menu button or Tools -> Web Developer
  • https://support.mozilla.org/en-US/kb/tracking-protection
  • https://support.mozilla.org/en-US/kb/content-blocking

You can try these steps in case of issues with web pages:

You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the Cache and remove the Cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Remove the Cookies" from websites that cause problems:

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Manage Data

"Clear the Cache":

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Clear Data -> Cached Web Content: Clear

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window
  • https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
  • https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems
the video player failed to load.(Error Code: 101102) | Firefox Support Forum (2025)
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