Open Finder, press the Command+Shift+G key combination and in the search field type ~/Library. By default, applications store their support files in the system Library folder.
UNSTALL AVAST FOR MAC HOW TO
How to uninstall Avast Security on Mac using its default uninstaller
Besides Avast’s usefulness, you might need to uninstall the antivirus. Avast is an antivirus application that protects computers, helps them stay safe from viruses and hackers, and secures user’s privacy.