Second Life: Graphic Gripe

I'm not about to complain that I'm in a part of Second Life where the action it too graphic (because I'm not) but I am about to whinge about the fact that if I now try to launch Second Life it tells me that my video card is out of date or unsupported.

That'll be the exact same video card that has run perfectly well every time until tonight?

Playing around with technology always involves a certain degree of pain but things like this are just so annoying. To put it mildy���