Tried those fixes. No luck. Thx guys, will have to go to pc emulators or linux. Many thx for help, and many thx to developers of dosbox. I'll be using it from time to time - a great prog.

I agree, I don't see it. If dosbox can't allow for that, how can I convince or give my app the necessary handles? It would be a shame, 'cause I think dosbox is a fantastic program. Is it in a future release? Many thx.

My Dos application (accounting) complains with a runtime error since I upgraded computer. It's a Athlon XP2200+ and Win98 sec ed. 512 RAM. It seems it does not like this cpu. I installed DosBox (latest) this morning, but app complains that it does not have enough file handles. App runs, so I know …