Apple has disabled old versions of Adobe Flash Player in the Safari web browser because it does not contain the latest security updates.
When you click on the disabled player window you will receive the above message indicating that you need to update Flash.
To update Flash (from Apple):
- Click “Download Flash…” (from the above notification) to have Safari open the Adobe Flash Player installer website.
- Download the latest Adobe Flash Player installer–click the “Download now” button.
- Open the downloaded disk image.
- Open the installer and follow the onscreen instructions.
When you download and install the update make sure you UNCHECK the following box:
This McAfee Security Scan Plus may be considered bloatware and may interfere with your existing antivirus software and slow down your computer.
For an alternative list of Free Anti-Virus software: Get Anti-Virus Software