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Part of my living is reviewing YouTube videos- I can't play any without this. Please help me. Thank you
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(1) In a new tab, type or paste about:config in the address bar and press Enter. Click the button promising to be careful.
(2) In the search box above the list, type or paste javas and pause while the list is filtered
If you have a moment, could you copy/paste the error message you're getting, or post a screenshot of it? Perhaps that will jog a memory of someone here.
Also, if you use any video recorder/downloader add-ons, make sure they are as up-to-date as possible.
You also could test with extensions disabled in Firefox by using YouTube in Firefox's Safe Mode. (That's a standard diagnostic tool to deactivate extensions and some advanced features of Firefox. More info: Diagnose Firefox issues using Troubleshoot Mode.)
You can restart Firefox in Safe Mode using either:
- "3-bar" menu button > "?" button > Restart with Add-ons Disabled
- Help menu > Restart with Add-ons Disabled
Not all add-ons are disabled: Flash and other plugins still run
After Firefox shuts down, a small dialog should appear. Click "Start in Safe Mode" (not Reset).
That problem is yours, works fine for most users of Firefox 33 on YouTube.
Allow me to ask this question again: what is the exact error message you are getting?
If you do not get any error messages, does the plugin notification ("Lego") button in the address bar shows that Flash is enabled and running on the page?
I suggested testing YouTube in Firefox's Safe Mode. What was the result of that test?
I get the message which shows on the YouTube viewing screen:
An error occurred, please try again later. learn more
I restarted it in Safe Mode and received the same error message. I also tried installing Firefox 29, hoping an earlier version would not have the problem. I was wrong- it's still there. Same error message as above.
Any difference in a private window (you can use Ctrl+Shift+p to launch a private window)?
I'm not sure anyone really knows what causes the "An error occurred, please try again later." error after ruling out issue such as cookie and content blocks. Some suggested workarounds I've seen include:
(1) Switch players
YouTube offers an HTML5 preference to minimize use of the Flash player. However, it may not be as full featured as Flash and some videos are not transcoded to HTML5-player-compatible formats. See this article for more information on this option: http://www.ghacks.net/2014/06/13/fix-error-occurred-please-try-later-youtube-error/
(2) Change connection settings
Some users have had success switching their DNS servers to OpenDNS to bypass problems in parts of Google's infrastructure. You also could try Google's Public DNS servers. See this forum thread for more information on this option: https://productforums.google.com/d/msg/youtube/q8kuI162ryw/YkQfop3CP1wJ
Google Public DNS: https://developers.google.com/speed/public-dns/docs/using
I'll give these a try and let you know. I truly appreciate your help.
The first one didn't work, so I'm gonna try the second one tomorrow.
Modifié le par jazbutis
Hi jazbutis, I posted my comments in your separate question here: https://support.mozilla.org/questions/1027761
To avoid confusion, let's continue with your issue over there.
Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.
- Download the full Firefox installer and save the file to the desktop
If possible uninstall your current Firefox version to cleanup the Windows registry and settings in security software.
- Do NOT remove "personal data" when you uninstall your current Firefox version, because this will remove all profile folders and you lose personal data like bookmarks and passwords including data in profiles created by other Firefox versions.
Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
- (32 bit Windows) "C:\Program Files\Mozilla Firefox\"
- (64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"
- It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure NOT to remove personal data when you uninstall Firefox as that will remove all Firefox profile folders and you lose your personal data.
If you keep having problems then also create a new profile.