I've had this issue across many Windows machines (this current install is brand new) where Illustrator displays Show/Hide Grid as Ctrl + ' in the menu andf shortcut manager but is actually Ctrl + # in practice. Same for Snap to Grid being Ctrl + Shift + # instead of Ctrl + Shift + '.
I've lived with it for a while but it's becoming irritating now when jumping between Mac and PC.
Has anyone else came across this? Is it potentially something I'm installing from some sort of CC pref unknowingly.
I've tried resetting preferences and keyboard SC's and as I said, this is a brand new install. I don't have any issues with Illustrator on my older Macbook Pro install so assume it's somehoe Windows related.
Have also tried switching from US to UK English on CC perfs and no difference.