This is where the good stuff basically ends. You can delete detected items or exclude them from being flagged again. This is the quarantine in Avast Free Antivirus. Use the Avast Free Antivirus settings menu to customize how the shields work. Mail Shield scans your email attachments for malware, and blocks them.Web Shield blocks web attacks and downloads that could be malware.Behavior Shield monitors applications for suspicious activity and blocks malicious ones.File Shield scans any file that you access.There are 4 shields in Avast Free Antivirus. You can find more advanced options in the settings screen in Avast Free Antivirus.

You can set scans to run automatically at a time and date that you select using the built-in task scheduler. You can customize the settings of each scan type to your liking: these options include scanning for potentially unwanted programs (PUPs), follow links during a scan, test whole files, scan archives, and more. The custom scan has 2 predefined options: a quick scan and smart scan. You can run a full virus scan, a targeted scan (only scans selected folders/drives), boot time scan and custom scans.

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