Yeah, the game will now be unplayable, unless you upgrade your graphics drivers to at least Open GL 3.0/3.1 or switch your graphics setting to Min. The graphics won't look as impressive on minimal detail, but at least the game will not suddenly and completely close on you constantly.
Low detail might work, but I cannot say for sure, since I did not try that setting.
I've been putting out fire with gasoline!
I can confirm playing with graphics set to Low detail does still work.
Until today, I played on High detail, which now closes the RS client shortly after game launch. I have not tried Medium graphics. I left well enough alone.
I run Windows 10.
Aslon Dak: Still 'Scaping after 19 years!
You can buy XP. You can't buy experience.
"...From The 'Scape" is very nearly here.