After the reinstall, the Flash popup you got was normal.a security feature in Mac OS X. However, the second one, which you got before, is strange. I think you are on the right track - it has to be something other than the Mac itself. Mac users who primarily browse the web with Safari will eventually notice the “Flash out-of-date” message appearing somewhere in the browser. This happens because the Mac will intentionally disable the Flash player plugin when it has become outdated, preventing any potential security breaches from occurring.

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:

Adobe flash player needed for mac. To continue viewing Flash content, update to a later version of Adobe Flash Player:

Your Adobe Flash Player For Mac Os Is Out Of Date

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.

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.

Flash Player runs SWF files that can be created by the Adobe Flash authoring tool, by Adobe Flex or by a number of other Macromedia and third party tools. About Adobe Flash Player for Mac The Adobe Flash Player is a widely distributed proprietary multimedia and application player created by Macromedia and now developed and distributed by Adobe after its acquisition. Best media player for mac os x.

Flash Player

Contact Adobe if you need help downloading, installing, or using Adobe Flash Player.