You will then be prompted to input your OS X Password, type in your password and click OK to proceed. Are you sure you want to open it“, click Open.

If prompted by a message saying “I nstall Adobe Flash Player is an application downloaded from the internet. After it has been downloaded, open it and run it and click “Install Adobe Flash Player”

To do this, go to and download the Flash Plugin. In order to update Adobe Flash Plugin you will need to download it and install it.

The major trouble most users face when installing Flash Player is not the player itself, but the password which they have usually forgotten and is needed to permit Adobe Flash to install itself. If you are using Chrome, then you don’t need to update Flash Player as it is built into Chrome. Other browsers that gets affected by the update are Firefox. One of the most common example of such a site is YouTube. This is because the Adobe Flash Plugin goes out of date, when an update is pushed by Adobe and specially Safari blocks the sites that require’s Adobe Flash to run. Many mac users continuously face issues with Adobe Flash Plugin.

Mac firefox flash plugin