Mostly, software stop working if your version is too old. Next, let’s talk about solutions one by one. You might be Lost/Delete Some of its FileĪbove were the possible reasons for Avast scan and other problems of this software.This is exactly which I am doing by writing this article.Īccording to me, the reasons Avast scan failed issue are: In that case, the experience one has to be responsible to guide them. If not then read the further guides.īeing an Avast user since more than 5 years, I never faced scan failed issue but might be some new guys facing it. Software is not Compatible with your Device.