1. change the remote battery? Also perhaps .......Haven‘t seen the remote, but one of my Father-in-laws favourite tricks with my receivers is to push the TV button (not the bouquet tv button - different) and stop the remote from controlling the receiver
2. what do you mean by hardlink error?
3. replace the image with ViX or another up-to-date image.
4. these are not hobbyist boxes .... they are used by normal people as well!!