All of a sudden, some keyboard shortcuts seem to have stopped working in applications. The two I'm noticing it for are "ctrl-k" and "ctrl-w". This is happening across multiple applications which should support those hotkeys.
I've tried running Spy++ to monitor the Windows messages, and it looks as if when the ctrl key is pressed, no keyboard events are being sent for the 'k' key press. However, pressing 'k' without the ctrl key does work.
This seems to be happening for the 'w' and 'k' keys, and also the right arrow key.
I've tried using 'Windows Hotkey Explorer', but there's nothing obvious registered in there.
Any ideas to what could have caused this?