Hi,
Having read many posts and tried many things the one that worked was to make a change to the udev rules files. On my system the files are

/lib/udev/rules.d/85-qhyccd.rules

/etc/udev/rules.d/85-qhy.rules

Look for the line below and make sure you have the QHY5LOADER.HEX bit on the end.

ATTRS{idVendor}=="1618", ATTRS{idProduct}=="0901", RUN+="/sbin/fxload -t fx2 -I /lib/firmware/qhy/QHY5.HEX -D $env{DEVNAME} -s /lib/firmware/qhy/QHY5LOADER.HEX"

This worked for me.

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