Avast Cleanup Premium 21.4 Build 11223

Because this is an older build, it is not available on the official Avast website (they only offer the latest version, 23.x or 24.x as of 2026). To obtain this specific version:

To evaluate Build 11223, I tested it on three systems: Avast Cleanup Premium 21.4 Build 11223

Up to 30% faster startup by offloading non-critical services. Storage Recovery: Because this is an older build, it is

A signature feature. Sleep Mode identifies applications consuming over 10% CPU or 200MB RAM while running in the background for more than 10 minutes without user interaction. It then them (like Windows’ own “Eco mode” but more aggressive) and resumes them instantly when you click their window. Sleep Mode identifies applications consuming over 10% CPU

Over time, broken shortcuts accumulate—pointing to uninstalled games, moved folders, or missing network drives. This build includes an enhanced shortcut analyzer that can scan the Start Menu, Desktop, and Taskbar simultaneously, removing up to 50+ dead links in a single pass.

No software is perfect. Build 11223 has its flaws: