Installed the AutoIt application but the F4 sendkey command you choice to use for closing your tray-application is not working

(Running it using the button does work ok!)
Any suggestions?
This is de code (part of menu.skin)
MEDIACAR Skin
MEDIACAR Default Skin
menu_empty.jpg,menu_off.jpg,menu_on.jpg,menu_down. jpg
x,Milage
/ Close Chucksound
B01,100,111,370,092,"ACTIVATE;AutoIt v3||SENDKEY;%{f4}||SETVAR;ONLINEPING;0","Audio Player"
/, F, x, y, w, h, Movie name
F,0,0,20,20,
/, B, x, y, w, h, Command;COMMANDCODES, Tooltip
B02,99,478,370,86,"VIDEO","Video player"
B02,46,236,370,86,"LOAD;tripmeter.skin","Video player"
B02,53,363,370,86,"run;c:\program files\road runner\autonetdetect\onlinesign.exe","Chuck Sound"
B03,613,239,370,092,"SAY;On board diagnostics||RUNW;C:\PROGRAM FILES\TTS\DATAMASTER OBD1\DM32x0D.EXE","DVD Player"
B04,622,359,370,092,"MINIMIZE"
B05,562,478,370,092,"LAUNCH","Launcher"
exectbl.ini :
/, You can add commands to execute before suspend
/, and after resume, using the codes bellow:
"ONLINEPINGON","SAY;Internet Connection Available||SETVAR;ONLINEPING;2"
"ONLINEPINGOFF","SAY;Internet Connection Offline||SETVAR;ONLINEPING;1"
"ONSUSPEND",""
"ONRESUME",""
"ONFILECLICK",""
"ONDIRCLICK",""
"ONPLCLICK",""
"ONDLCLICK",""
"ONPBCLICK",""