Hello there, I've been recently experiencing this issue where the "Avast Service" process will be causing a lot of disk usage, bumping it to 100% and sometimes making the pc unusable with no warning.
I've already tried reinstalling or repairing the installation with just the minimal components, yet it's still happening.
Windows version: Windows 10
Avast edition (Free / Pro / etc) and version numbers (right click tray icon, "About Avast"): Avast Free Antivirus, 20.4.2410 (build 20.4.5312.580)
Avast settings you changed from default: nothing really I think, maybe just language from Italian to English, minimal protection instead of default and some privacy options
When the problem first happened, and when it repeats, what triggers it: it seems random, though it tends to happen close to pc startup and after analyzing some files
Any steps you already took to try fixing the problem: switching to minimal protection, reinstalling the program
Any recent changes to your system, its configuration, or your network: no