Hi,
This will help you.
1º download diskwipe
http://www.diskwipe.org/download.php 2º Format your CF with the option cero (be sure the letter of your CF drive this erase all from the disk selected be carefull)
3º you must have a classic workbench for example all ready working in winuae.
http://classicwb.abime.net/ 4º run winuae as Administrator and boot workbench install disk 3.1 .adf in df0: before add new harddisk select your CF if dont see the unit try with disabledharddrivesafety.
5º go Tools/HDtoolbox rigth button info and change SCSI_DEVICE_NAME SCSI.device for SCSI_DEVICE_NAME=uaehf.device
6º Run HDtoolbox change device type and must be there the CF (if you have a external Reader thas appear Reader CF) then partition drive

, format remember make dh0: bootable and restart.
7º boot your best classic workbench run Dopus select all and copy to your formated new CF drive.
8 connect your CF in your real Amiga and have fun.
Best Regards
Amiten