AutoHotkey Community

AutoHotkey Documentation, DllCall()

; Example: Hides the mouse cursor when you press Win+C.

does not work after the last Windows 10 update [verified by reinstalling the OS]

Same problem with changing the mouse cursor:
DllCall("SetSystemCursor", ...

Solved by itself (certainly after a new Windows 10 update) !

Actually, hiding/showing/changing the mouse cursor works randomly. I have seen so far that it doesn't work after the first start of Windows 10 and then, after restarting the OS, it works fine. Weird behavior!