Many users have already complained and been complaining about the issue of Avast UI service failed to load error. The error usually occurs when you are trying to open the program after updating it. You can close and restart the program and see if that helps – or, else let us know the error and follow our manual instructions to fix the issue.
I have never faced this issue but i got a problem of virus attacking my PC. I often use internet service for the purpose of my essaypro review writing works, and therefore I visit various blogs for getting my work done which makes PC to get these threats issue.