Computer question please help me? ?

My mate has a couple of question:
If avast says we have a threat along with its repaired is the fact that good One had one so he / she deleted the idea.Was that wise or a negative one Ended up being it better to repair it or remove it or even put it inside “chest” What should i do if ?t had been a bad idea to repair it or rub out a report Please assist him.With thanks!

threats >>> transfer them on the virus torso………….errors >>>>>>>>>> endeavor to repair……………….