When I upgraded to 1.8.3, I got a Microsoft Visual C++ error saying that the application has requested the Runtime to terminate it in an unusual way. I tried several times, with the same results. I finally reverted back to 1.8.2 and it worked again.
I later tried to re-update to 1.8.3 with the same results. Downgrading back to 1.8.2 miraculously made everything work again.
By the way, my OS is Windows XP (NT 5.1) Home Edition.
Here's a screen shot: