#til how to turn capslock off when I magically get it stuck under #windows:
Ctrl + ALT then Ctrl + k
I am occasionally mired in using an Ubuntu guest with a Windows host. I swap back and forth quickly, and something about the way I type yields a state where capslock is just... stuck... worth mentioning that I remap capslock to ctrl anywhere that I can, so when I get into this state, I can't simply hit capslock.