Reinstall it and select Run Script in the setup customization.
03/06/2014 19:45mlukac89#3
right click on au3 file -> open width -> choose default program
then u will have dialog
press browse->and navigate in your AutoIt folder->Scite->Click Scite.exe and press Open
check "Alway use the selected program to open this kind of file"
press ok
03/06/2014 20:15mlukac89#4
Download team viewer i will make you in 1 min all that and pm me in inbox id and pass