Unfortunately it doesn't work for me. I already used Google, but I couldn't find anything helpful. Other suggestions?

Hi there, I play Settlers 2 Mission CD on Windows XP. It worked fine until three days ago. I reinstalled the game to get the Mission CD to work and played for a few hours without any problems. But after that, the game crashes after a few minutes and DosBox tells me this: DYNX86:Can't run code in …