The game was acting funny and freezing a couple of times. I restarted the game and then my PC a couple of times and it seemed okay... but then hiccup!

Now, the game won't start, just a small black screen that says "please wait" but nothing happens.

I'm willing to re-install, but I don't want to lose the several thousand hand logs I have in there.

What should I do to either: get the game working again?
And/or, backup the logs, re-install, then restore the logs?