Flash Won't Work in Firefox - "Flash Player 11.3.300 Required"

So I was messing about on Betfair, hoping to net a tidy profit on some of the World Cup matches (not likely!) when I noticed they'd given me some free spins on their Live Casino service. Not likely to pass up the chance to win some risk-free money, I promptly headed on over there only to find my version of Flash was not up to their high expectations.

After doing a bit of forum browsing, I'd read that Adobe had stop putting out usable updates for Firefox in uBuntu a while back. Thankfully there is a solution. I suspect there is a better way but what is most certainly the quickest and easiest way is to download and install Google Chrome (Note: not Chromium that is installed via the Software centre).

This shouldn't take more than five or ten minutes and when running, Chrome comes with the latest version of Flash installed so every Flash application should run smoothly.