Cannot play YouTube videos after Ubuntu 18.04 upgrade

Asked by Raja

Hello,
I am not able to play videos after an upgrade to 18.04 in Ubuntu. This seems to be true across the board since i tried for YouTube, ZDNet and CNN. I had the same results on both Firefox and Chrome. Any feedback would be greatly appreciated. Thank you

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Raja
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Raja (raja) said :
#1

This appears to be true for both HTML5 and flash videos.

Everything worked fine with 16.04

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actionparsnip (andrew-woodhead666) said :
#2

What is the output of:

lsb_release -a; uname -a; dpkg -l | egrep 'flash|gnash|swf|spark'

Thanks

If you log in as guest is it OK?

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Raja (raja) said :
#3

zbook--ubuntu@zbook--ubuntu:/usr/share/gnome-connection-manager$ lsb_release -a; uname -a; dpkg -l | egrep 'flash|gnash|swf|spark'
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic
Linux zbook--ubuntu 4.15.0-47-generic #50-Ubuntu SMP Wed Mar 13 10:44:52 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

I dont see an option to switch to Guest but i did have another ID which i switched to and that works fine, so i guess the problem is with the ID that i normally use, and with which i did the upgrade.

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actionparsnip (andrew-woodhead666) said :
#4

Do you use Thunderbird as your email client?

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Raja (raja) said :
#5

no, i do not . . .

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actionparsnip (andrew-woodhead666) said :
#6

OK. Close Firefox and run:

mv ~/.mozilla ~/.mozilla_old

Then launch the browser. Does it work OK? Your old profile still exists as the command above renames it. When you launch the browser you will get a vanilla profile.

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Raja (raja) said :
#7

Thank you--no the Youtube videos still fail

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actionparsnip (andrew-woodhead666) said :
#8

Bah, OK, reverse the mv command and your profile will restore. Or keep the new one.... Your choice

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Raja (raja) said :
#9

Thank you for your efforts

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actionparsnip (andrew-woodhead666) said :
#10

Maybe someone else can advise

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Raja (raja) said :
#12

I resolved this finally by upgrading to 18.10