У меня тоже вопрос, может просто ткнете ку, разрешение экрана 800*600, iGo не хочет запускаться с iGo_pc, а запускается с iGOZoomer.
Пробовал править sys_pc и ничего вообще не идет, посмотрите чего, как
[interface]
skin="ui_igo8"
resolution_dir="800_480"
vga=1
autotilt=2
autotilt_minzoom3d=50
autotilt_maxzoom3d=300
use_big_lang_flag=1
exit_on_restart=0
use_spec_fav=1
minzoom2D=50
maxzoom2D=1000000
msgbox_max_width=50
mapfontscale=200
;showselection=1
;waypoint_list_ignore_autosource=1
drive_carefully=1

[3d_config]
roadsign_lines_per_screen=20
show_device_type=1
show_gps_pos=1
show_signpost=1

[rawdisplay]
highres="0"
;border=0
screen_x=800
screen_y=600


[debug]
skip_eula=1
enable_roadshadow=1


[map]
3d_max_tiltlevel=8550
3d_max_zoomlevel=300
3d_max_zfar=75
auto_nightmode=1
3d_scale_carmodel=1
3dcarsizemin=4000
3dcarsizemax=6000
3dcarsizemul=60000

[gps]
;source="click"
port="9"
baud="4800"
set_messages="0"

[msnd]
msnd.start=0
msnd.version=0

comm.port=4
comm.thread_priority="normal"
comm.dt_read_write_tmout=0.1
comm.send_frame_retry_limit=3
comm.dt_send_tmout=1.0
comm.dt_alive_tmout=5.0

ui.selected_fuel_type="regular"
ui.fuel_price_limit_low=3.15
ui.fuel_price_limit_high=3.20

cache.tmc.thread_priority="low"
cache.tmc.dt_delete_expired_tmout=3600.0
cache.tmc.dt_max_sleep=3600.0

cache.gas.thread_priority="low"
cache.gas.dt_refresh=3600.0
cache.gas.dt_download_tmout=30.0
cache.gas.allow_unknown=true

cache.movies.thread_priority="low"
cache.movies.dt_refresh=3600.0
cache.movies.dt_download_tmout=30.0

cache.group_message.thread_priority="low"
cache.group_message.dt_expire_check=300.0

cache.weather.local.thread_priority="low"
cache.weather.local.dt_expire_check=300.0

cache.weather.non_local.thread_priority="low"
cache.weather.non_local.dt_expire_check=300.0

cache.weather.alerts.thread_priority="low"
cache.weather.alerts.dt_expire_check=300.0

provider.tmc.dt_check=0.5