if you have experience with debugging you can try the DOSBox debugger DOSBox debugger EXE 0.74-3 DOSBox debugger EXE 0.74-2 DOSBox debugger EXE 0.74 All these builds are crashing at launch (Error c0000005). My system is Win7sp1x86. Every other build of DosBox works fine (I've tried official 0.74.3, …