I usually place all my emulators on /_pico/emulators/, but I also tried to run them from the root folder and /Emulators/
I have the same problem with StellaDS. ColecoDS, SpeccyDS and nesDS.
ZXDS, GbaRunner2m GBArunner3, SNESemulDS and GameYob run Ok.
Stock DSI XL, DS Pico with WRFUXXED -...