Wipe the Slate Clean: How Avast Clear Removes Leftover Antivirus Registry Files

The “Setup is already running” error during Avast removal occurs when background processes or self-defense mechanisms lock the installer, which can be resolved by using the Avast Clear tool in Safe Mode. This utility bypasses standard installation locks by forcing a removal of the software’s active files and services, enabling a clean uninstall. For detailed steps, visit Avast support. Avast Removal Tool | Download Avast Clear