Keyshot 6.3 won't open for me

[Dylan]

Hi all. This weekend Keyshot 6.3.19.0 for ZBrush won't open for me, either standalone or through ZBrush. When I click on the Keyshot icon, the little Windows blue timer thingy comes on for a second and that's it. No Keyshot splash screen, nothing. When I try it through ZBrush, it times out with a "Keyshot not found" error message.
I went to the Keyshot folder in Program files and clicked directly on the Keyshot executable, with the same result.
I haven't changed anything recently, no new programs added or anything else.

I'm on Windows 7, 64 bit.

[Dylan]

Disregard that please. I re-ran the 6.3.19.0 updater and it is working now. Also I see there is a new update to 6.3.23 so I'll do that now.