I did what you said, and I got a differnt error message. I researched the error message and discovered that XMS was required. SO I turned on XMS, and got the original message again. I looked in the DCK helpfile and found out that HIMEM.SYS was required. at any rate I have a copy of the Help Document …

oh yeah.. one other thing... DOSBox closes after I recieve this error unless I press the pause/break key.

it's a big screen full of junk. the instruction referenced illegal address 000CF014 then a hex address... then 32 Loader runtime error... and this may be because the dos extender that DCK uses is not supported by the emulator... this occurred when trying to loar BGI32.DLL and I think I have actually …

I am attempting to Run Doom Construction Kit for DOS. It's a really old Map editor and WAD archiver for DOom and Doom2. I think the Program uses an extender but I'm not sure if it does. I have heard of an Extender that can Detach an embedded DOS extender off of an Executable and patch it's self, and …