Can't view embedded YouTube videos with Safari

YouTube videos not playing?

One of the following steps should help.

1. Install Adobe Flash Player.

http://get.adobe.com/flashplayer/

Restart

2 .Are Plug-ins Enabled?

Enable Plug-ins

Safari > Preferences > Security

Web Content:

Click in the box for "Enable Plug-ins".

3. Check whether you are currently in YouTube HTML 5 trial.

http://www.youtube.com/html5

At the bottom left of the page uncheck the box for

"You are currently in the HTML5 trial".

4. Reset Safari.

Click Safari in the menu bar.

From the drop down select "Reset Safari".

Uncheck the boxes next to all items.

Check the box next to "Remove all website data".

Click "Reset".

Best.

Could it be an extension causing this problem?

Safari > Preferences > Extensions

Turn those off and try.

Best.

Do you have Click to Flash enabled?

What happens when you right click on the video?

Safari > Preferences > Privacy

Cookies and other website data:

Click the "Details" button.

Remove all Google related cookies.

It will take a while.

Relaunch Safari.

Safari > Preferences > Privacy

Block cookies:

Set it to "Never" and try.

Your suggestion #2 solved my problem.

Thank's dominic23