I followed the documentation but it didn't help.What to do? dosbox window just shuts down. also I try to run a C program by run tab it shows message "Not an EXE: Hello.LIB". what to do.

I tried to do it.It also shows keyboard keys in mapping but don't know how to change.please ,if u can guide.

Hello, I've downloaded DOSBOX 0.74 and ran the C program. It works nicely but when I try to display it by pressing CTR+F9 it just shuts the DOSBOX down & comes out on the desktop.Then I have to again go into the DOSBOX and again repeat all the procedure of mounting and commanding. What to do?How can …