Hello and thanks for the answers. I think my problem is solved. I thought that i can mount the floppy in the autoexec like my cdrom. But if ever i start dosbox with the usb floppy installed and the mount command in the autoexec, i get this message. So its better to manuel mount in the running DosBox …

To be clear, the error comes if i start DosBox, not if i start a game! I hope i explaint it right.

Not any specifik game. The error came if i start DosBox. If i dismount the floppy, the error passes away. If i mount the floppy and type "ignore" after the error all works fine. The only thing is this stupid error cause the floppy trys ever to load a disk. So i think there must be a command in …

Hallo, i think i have the same probleme but maybe you misunderstand it? I use DosBox 0.73 at my Win XP System. To install older Dos Games i buy a USB Floppy. I installed it and now in Win its Drive A: So i mount it in DosBox as A A:\ -t floppy But now i have a problem. If i start dosbox i get an …