I have backed my Addons from kodi/pc to a usb using the USB SDCARD Wizard wizard so i can transfer to AVov tvonline+. When I try install the addons from the usb in kodi in the avov tvonline+ I get mesage in bottom right "Failed pls assist how to proceed

I bought 2 boxes both giving trouble of freezing the picture / buffering, in the morning the by using the remote the box red light comes on but tv has no display. if I reboot by using the small button on back the unit comes on and works. This morning kept freezing and tried the button at the...