Does avast antivirus download files in read only

Worldwide English. In order to view this page correctly, you must have a JavaScript-enabled browser and have JavaScript turned on.

We apologize for any inconvenience. Learn how to enable it. No slowdowns or interruptions. Easy to install, effortless to use. Get essential antivirus protection.

Avast Free Antivirus scans Windows devices, like your laptop or desktop PC, for privacy, security, and performance issues, then tells you how to fix things instantly. Over million users worldwide trust Avast. Join them. Intelligent Antivirus Detect and block viruses, malware, spyware, ransomware and phishing. We use smart analytics to stop threats before they affect you. CyberCapture Automatically send suspicious files for analysis in the cloud, and push a cure to all Avast users if it's a threat.

Wi-Fi Inspector Automatically detect weaknesses in your home Wi-Fi and strangers piggybacking on your network. Smart Scan Find all those cracks which allow malware to slip in, from unsafe settings and passwords to suspicious add-ons and out-of-date software. Layer upon layer of security. Ryan R. Eric S. Daryl C. Use the drop-down menu to set your Scan priority High priority by default. Scan areas Select or tick the box next to the following options to include them in the scan: All Harddisks : Scan all hard drives on your PC.

System drive : Scan only the operating system drive. All removable media : Scan applications that launch automatically when you insert a USB or other removable device into your PC. Rootkits : Scan for hidden threats in the system. Startup programs and modules loaded in memory : Scan applications and processes that launch after system startup or run in the background.

Packers and archives Select the compressed file types you want unpacked during the scan: Scan only common installers : Only scan the contents of executable files used to install apps. This results in slower scans. Don't scan archives : Ignore all archive files during scans. This results in faster scans. File types Select the file types that are prioritized when scanning your PC for malware: Content based types slow : Scans files that are typically most vulnerable to malware attacks.

Name extension based types fast : Only scans files with risky extensions, such as. Scan all files very slow : Scans all files on your PC for malware.

Automatic actions Tick the box next to Perform automatic actions during this scan , then select one of the following options to define the automatic action when an infected file is found: Fix automatically : Avast tries to repair the infected file.

If repair is not possible, the file is moved to Quarantine, and if that fails, the file is deleted. Move file to Quarantine : The infected file is not repaired, and is instead moved to Quarantine. Delete file : The infected file is not repaired or moved to Quarantine. Instead, the file is automatically deleted. Optionally, tick the box next to the following settings: Shut down computer after scan finishes : Avast shuts down your computer after the Full Virus Scan completes.

Generate report file : Avast automatically creates and stores a report file about the scan. Read our full guide to find out how to improve your connection right now, whether you're on Wi-Fi or Ethernet. We all have some concept of hacking - but do you really know what it is? Read our full hacking definition here. What is a browser hijacker, and what risks and damage can browser hijacking cause? Learn how to remove browser hijackers and defend against them here.

Need help finding the best VPN server location or address? Learn which country is best to connect to via VPN. Doxing, or doxxing, is the release of someone's personal info without their consent. Find out how doxing works and how you can prevent it.

The best passwords are strong enough to thwart a brute force or dictionary attack. Find out how to create good, easy-to-remember passwords. Using real-time intelligence from over million Avast users, we block more than 1. Also available for: Android , iOS , Mac. Also available for: Mac , PC , Android. Note : If your download did not start automatically, please click here. Almost done! Follow these 3 easy steps to complete your Avast installation Note : If your download did not start automatically, please click here.

Step 1 Run the Avast installer Click the downloaded file at the top right corner of your screen. Step 2 Confirm the installation Click "Yes" on the system dialog window to approve the start of your Avast installation. Step 3 Follow setup instructions Click the button in the installer window to begin installation.

Download Documentation.