You have to:Open my flash disk, create a folder Primo, copy there Primo.exe & sys.txt.
Leave the rest stuff in storage card
Open with notepad sys.txt, copy the following.

[device]
type="navon_N260"

[folders]
app="Storage Card\Primo"
content="Storage Card\Primo\content"
map="Storage Card\Primo\content\map"

[interface]
show_exit=1
extra_settings=1
resolution_dir="480_272"
vga=0

[rawdisplay]
highres=0
screen_x=480
screen_y=272
stretch=1

[gps]
port="7"
baud="57600"

[debug]
skip_eula=1

[sound]
ding=0

[tmc]
port="COM,1"
source="gns"
baud=115200

gps_source=1

Start Primo from My Flash Disk folder Primo-Primo.exe

Gool luck
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