If you're using an out-of-date version of the Adobe Flash Player plug-in, you may see the message “Blocked plug-in,” “Flash Security Alert,” or “Flash out-of-date” when attempting to view Flash content in Safari.

Clicking the indicator displays a message that Adobe Flash Player is out of date:
Update Adobe Flash Player 9 For Macbook Pro

To continue viewing Flash content, update to a later version of Adobe Flash Player:
Adobe Flash Player 10
Oct 26, 2018 This wikiHow teaches you how to update Adobe Flash Player on your Windows, Mac, or Linux computer. While Adobe Flash Player will usually update itself automatically if you installed it with default settings, you can force it to check for and install an update if one is available. Download free Adobe Flash Player software for your Windows, Mac OS, and Unix-based devices to enjoy stunning audio/video playback, and exciting gameplay.
- Click the Download Flash button. Safari opens the Adobe Flash Player page on the Adobe website.
- Follow the instructions on the Adobe website to download and install the latest version of the plug-in.
Update Adobe Flash Player Chrome
If you need to use an older version of Flash Player, you can use Internet plug-in management in Safari to run the plug-in in unsafe mode for websites that you trust.
Update Adobe Flash Player
Contact Adobe if you need help downloading, installing, or using Adobe Flash Player.