On Tue, 19 Jan 2021 04:12:38 +0100, Jakob Bohm wrote: > [...] you may have to look at where these files are from and run > whatever TSR/Driver they depend on.
There is no TSR, but this seems to be a FreeDOS problem, as I get a little bit further with MS-DOS 6.22 (in QEMU). It still doesn't work, though. I get the same error in DosEMU. In Virtualbox, with MS-DOS 6.22, it works. /Tomas