Restart your computer.
you need to install Adobe flash player or add s to http in your url bar
Install the latest version of Adobe Flash player (11)
Yes, you need Adobe Flash Player installed on your computer in order to view any videos on YouTube. However, YouTube also has an HTML5 beta for users to try out if they'd like to try something new.
Go to your computer memory and remove the the installed miteriall
It does install, it might nor work properly. Try installing the program in the compatibility mode (windows xp or vista).
If the computer running Windows 7 does not have a flash player install, then the player can be downloaded and installed from Adobe Flash main website.
Did you download the Mac version. Regardless here is the correct version>> https://get.adobe.com/flashplayer/Simply download, then double click to install.
Adobe's web site. You can do an internet search for "adobe flash player download"
I had the same problem. Here's what I did: 1. Clear all your history. 2. Uninstall Adobe Flash Player. 3. Install the latest version of Adobe Flash Player. 4. Restart your computer. Hope this helped :) I read it off of wiki.answers somewhere...
In the Utilities folder within the Applications folder you should find either (or both) a folder called Adobe Installers which will have uninstallers for any Adobe software you have installed or the Adobe Flash Player Install Manager which, when run, will provide an Uninstall button to remove the Flash player from your system.
Google Chrome
Adobe Flash Player (aka "Macromedia Flash Player";"Macromedia Shockwave";"Adobe Shockwave") is preinstalled in Google Chrome, therefore there is no need to install it