At one point I had the SDL FIle Lock Error. I uninstalled DOSBox using the "uninstall" file in the DOSBox directory. Then reinstalled after retrieving the appropriate installer from soundforge. Didn't have it again. Always worth a try.
I too wish to add my accolades to WillMog's. I had downloaded DOSBox 0.61 and while I couldn't watch the intro all the way through without a crash to desktop, I was able to Esc and get to the game. My USB Sidewinder Force Feedback 2 joystick would lock up on load, so I played with mouse and...