Safari will not play Youtube videos!!!

been having the same problem so i went to the html5 trial page and i wasn't signed up, so i figured i may as well opt in for the trial, and what do you know, youtube vids play in safari now! go figure!

leejbarker32,

I've been going nuts for a few weeks not knowing how to fix this and it turns out I was part of the HTML5 trial. I clicked leave and now you tube is working. A big thank you 🙂

Getting out of the html5 trial is the answer for me.

I knew Safari was using the html5 player because I could see a process named com.apple.qtkitserver as the most cpu bound process and after that Safari's PluginProcess.

What I could not find was where to disable the html5 trial. I searched all around my accout to no avail so thanks to leejbarker32 for posting it.

So if you can use any of the several available tools to see what processes are running and you have said qtkitserver burning cpu cycles like mad disable html5 playback for youtube and try again.

I can reproduce this behaviour every time by activating and deactivating the trial. Deactivating it does not even require a Safari restart, obviously as this is controlled by the site, but it will not replace currently open html players with the flash player. You must reload that pages.

Hope that helps other people find out for sure if this is the problem.

I unchecked the HTML5 trial thingy through the link provided by leejbarker32...

My youtube videos on my safari fly on the korean high speek network...

Thank You for the link leejbarker32

After a few weeks of DL'ing and using Google Chrome as my YouTube machine, I was 10 seconds away from simply migrating away from Safari and over to Chrome. Thank you for the tip, the HTML5 trial was the culprit! Safari is now playing YouTube vids just fine!

Thank you. My Safari YouTube problem went away after left HTML trial.

Thank you for that tip!

For those just joining us, go to this page:

http://www.youtube.com/html5

Opt out of the HTML 5 Trial.

I also had to then install Flash (since I'm on a new machine) and then restart Safari.

Everything works now!

what worked perfectly for me was safari>preferences>privacy>details> in the search bar, enter 'youtube' an then delete all youtube cookie and cache referemces .

as I said, worked perfectly for me, now safari shows all videos normally

Thanks for this leejbarker32 . It worked and the problem is fixed!!

Jon Corry thanks for the link. it seems to work great. I tried opting out of HTML5 trial and it worked for a while and then stopped, but this Youtube 5 extension is working so far. Cheers.

open safari,click the safari name beside the apple logo,click safari extension,search for the adblock application.and thats it...it works perfectly after then..

Thank You! This has been driving me absolutely CRAZY the past few weeks!!! Glad YouTube let me know they were signing me up for this trash.

Thanks that worked

THANK YOU!!!!! DIDN'T EVEN KNOW IT WAS ON! USELESS GOOGLE FORCING THEIR BUGGY BETA JUNK DOWN OUR THROATS!!

I'm using Firefox and still videos are skipping. Not just youtube. Any video that I play skips and if I let it run, it tells me I have to restart my computer. Any help would be appreciated.