… the only option you get after updating it is “restart”.
I can only conclude that the WMP team aren’t aware that some small number of people/WMP users view their PCs as anything other than a glorified iPod: “Save your work and close all programs” – sounds like something you might say to an 8 year old. Screw that work stuff – I gots new codecs!
Well, that’s conclusion 1 of 2. The other is impolite.