The error of Avast UI failed to load can arise due to the incorrect windows service configuration. It will be really sad if this eminent antivirus software starts showing this error message just after you updated your computer. In order to tackle this difficult situation, you need to get connected with the experts by dialing Avast Customer Service Number. The professionals are certified enough to fix all kind of issues which are faced by Avast users and the solution provided by them is really nerve breaking that will resolve the error completely from the core itself.

More read: Avast Technical Support