you cant blame him for being mad, its your responsibility to know what you sell, he asked you simple questions - if its english, you gave him wrong answer and lured to all this mess. Or you expect your buyers to know more than you?
dont hate ahujeg, with proper development and few extra features it can become better than adrenalin, its obvious its just first working release and have 0 features for now.
claiming unauthorized access and having constant IP will prolly not work, you can try to blame some malware which made that payment via browser :D
wining such case is all about decently wrote bullshit.
UEscripts output might land in default l2console http://i.imgur.com/L6UM6o3.png
on interlude its started by default, just hidden, no idea about H5 tho :P
this,
i saw InterfaceAI blocked on few interludes months ago, so it's just admins who tolerate abusing of that or maybe even not aware what can be done with system mods - better block by default :D
it injects by patched dll, sooner or later they will hit wall when SG will start to crc check all files in /system folder, so proper loader will be must :P