OS X El Capitan 10.11.4Īdobe flash player update service 11.3r 300 fix for Service Pack 3 Is this a legitimate popup or is it perhaps malware? At this point, I closed the contextual and went to the site Web window to Adobe to download Flash Player version 21.0.0.242, but I'm always interested to know if the pop up is really Adobe. Note: If you have selected to allow Adobe install updates, this update will be installed on your system automatically within 45 days or you can choose to download it now. » Improvements in this release include improving the performance of 3D content and games improved performance video and compatibility the experience of new APIs to enhance your experience on the latest devices. 'This update includes improvements in ease of use, security online and stability, as well as new features that help developers to provide a rich and engaging experience.

Options below are of 'Remind Me later' or 'install'. I got a popup indicating that 'an update to Adobe Flash Player is available' popup has a black background with a red Adobe in the upper left logo.