My game crashes constantly...sometimes as often as every 4th or 5th screen change (switching between vehicles, going in or out of the VAB/SPH, etc.; basically any time the loading screen pops up). It's gotten to the point where I created a folder just for the crash logs in the root KSP directory, just to keep things tidy; otherwise I had to scroll a loooong ways to get to any other folders. It seems I'm getting the out-of-memory error. Using 1/8th res textures helps a little (the game simply won't load if full-res textures are enabled). Tried doing some of the suggested bug fixes, but they either didn't seem to do anything or caused performance issues. Then again, I am using a fairly old laptop. I'm just happy the game runs at all; most games made after 2010 or 2011 won't.
Seems to have worked for me, too. Kind of an odd bug. I had a bunch of 1kb .craft files; I think they were due to me naming the vehicle before I started to build it.