If you use Apple's Safari internet browser, you may well receive – or keep receiving – a 'Blocked Plug-in' alert when trying to view video.
For information and advice on updating your software, click here
This doesn't indicate a faulty computer, but that Apple is not allowing you to run non-updated versions of Flash – Adobe's free software for viewing multimedia and streaming video and audio content. This is a new safeguard issued in response to recent frequent exploits against the software, giving Safari users no option but to keep it up to date.
It follows two fixes issued by Adobe last week, and a previous Flash update in early February to guard predominantly against users' machines being infected when they visit malicious websites in Safari or Firefox browsers from their Mac.
