When you open Avast Antivirus, the status of your PC's protection appears. The status
How do I keep my PC secure?
Avast Antivirus actively scans your PC for malware and other threats and prompts you if an action is required. By default, Avast automatically updates virus definitions and notifies you if a program update is required.
If you have changed the default settings, ensure your PC's security by keeping Avast up to date. Go to
How do I scan my PC for potential threats?
You can select from the following scan options:
To perform a comprehensive scan of your PC, click
Run Smart Scanon the main screen of the Avast Antivirus. Smart Scan merges Avast scan tools to detect malware and other issues, such as outdated software and poorly rated browser add-ons. Read more...
- Predefined Antivirus scans
If you suspect suspicious activity on your PC, you can apply a predefined scan. Go to
Protection▸ Antivirus. Select Run Full Virus Scanto perform an in-depth scan of your system which checks all harddisks, rootkits, and auto-start programs.
Other scansto access the following scans: Quick Scan: scans the areas on your PC that are most susceptible to malware infection. USB/DVD Scan: scans all removable media that is currently attached to your PC, such as USB flash drives and external hard drives. Folder Scan: scans a custom folder which you select when the scan begins. Boot-time Scan: performs a scan at bootup to detect and remove malware which is hard to reach after startup. The system drive and all auto-start programs are scanned, and all found archive files are unpacked.
Where can I specify what to do with detected threats?
To specify what each scan does when it detects a threat, follow these steps:
- Go to
- Click the gear icon on the tile of the relevant scan to open the scan settings.
- Select the
Actionstab from the left panel, and tick the box next to Automatically apply actions during scan.
- Select a detection type (
Virus, PUP, or Suspicious), then select an action: Fix automatically: attempts to repair the file. If unsuccessful, moves the file to the Virus Chest or deletes the file if neither action is successful. Move to Chest: sends the file to the Virus Chest where the file cannot harm your system. Repair: removes malicious code if the file is only partially infected. This action is not possible if the entire code is malware. Delete: permanently removes the file from your PC. No action: makes no changes to the contents or location of the file (not recommended as an automatic action).
Where is the history of my scan results?
To view your scan history, go to
You can view a list of performed scans, including the name of each scan, the date it was run, and the result. If a scan detects an issue, you can view a detailed report and apply actions to resolve the issue. Read more...
What are the key features of Avast Antivirus?
Avast Antivirus comes with several tools and features:
Antivirus: provides a range of scans and Shields to protect your PC from malware. In addition, you can access a space called the Virus Chest where you can isolate suspicious files and optionally send them to the Avast Threat Labs for analysis. Read more... Firewall: monitors all communication between your PC and outside networks and blocks unauthorized communication. Read more... Wi-Fi Inspector: scans your network for vulnerabilities and identifies potential security issues that open the door to threats. This feature checks the status of your network, devices connected to the network, and router settings. Read more... Webcam Shield(Avast Business Antivirus Pro Plus only): prevents applications and malware from accessing your PC's webcam without your consent. With Webcam Shield enabled, untrusted applications can not capture images or videos and send the content outside of your PC to compromise your privacy. Read more... Real Site: protects against DNS (Domain Name System) hijacking to ensure you get to the actual website you want to visit. Read more... Sandbox: allows you to run an application or browse the web in a completely isolated, safe environment. Read more... Software Updater(Avast Business Antivirus Pro and Avast Business Antivirus Pro Plus only): keeps commonly used third party software up to date to eliminate potential security risks. Read more... SecureLine VPN(Avast Business Antivirus Pro Plus only): is a Virtual Private Network (VPN) which functions as a private tunnel through the Internet. It encrypts your data and secures your connection when using public Wi-Fi connections such as those in cafes or airports. Read more... Passwords(Avast Business Antivirus Pro Plus only): stores your passwords securely while you only need to remember one main password. Read more... Rescue Disk: allows you to create a bootable version of the Avast Antivirus scanner on a USB or CD. This tool is especially useful to recover a PC hijacked by malware. Read more... Anti-spam: ensures that the inbox in your mail management software is free from unwanted spam and junk emails. Read more... Data Shredder(Avast Business Antivirus Pro and Avast Business Antivirus Pro Plus only): enables you to irreversibly erase hard drive partitions or individual files with sensitive data (user data, licensed software, and so on), so that the data cannot be restored. Read more...
How do I install the Anti-spam component?
To install this feature, go to
What is Passive Mode?
How do I resolve my protection status?
You can view the status of your PC's protection on the main screen of the Avast Antivirus user interface.
The green status
A red status indicates a critical issue with core antivirus components which requires your immediate attention, while a yellow status indicates an urgent issue. If a red or yellow status is displayed, select the relevant action to ensure your PC is fully protected:
Resolve: resolves an issue with active protection components, such as Shields. Turn On: enables components which help to ensure your maximum protection, such as Firewall or automatic updates. Update: updates your Avast Antivirus to the latest program version. Activate/ Reactivate: prompts you to select a subscription plan to activate Avast Antivirus. Restart Now: reboots your PC to complete an update of all Avast Antivirus components.
Note: If more than one issue needs your attention, you can click View All Issues. Then, select an action for each issue using the relevant drop-down menu.
How do I turn Avast Antivirus components on or off?
To manage Avast Antivirus components, such as a Shield or Firewall, go to
To turn a component on, click the
Note: Some components are not installed by default. Click
How do I disable the Avast email signature?
By default, Avast Antivirus attaches an email signature to outgoing messages from mail clients, such as Microsoft Outlook and Mozilla Thunderbird. The signature informs your recipients that the email has been scanned for malware.
To disable the Avast email signature, go to
To manage more settings related to email scanning, go to
How do I turn Passive Mode off?
Passive Mode disables all active protection so that you can use more than one antivirus program at a time without interfering with the performance of your PC. In Passive Mode, you can manually run scans to check for issues on your PC, however, Avast Antivirus does not actively protect you.