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Macro viruses are written in the language used for software programs like Word and Excel, and spread quickly. Learn how to remove macro viruses here. SQL injection allows hackers to access and alter a website's database. Learn how SQL injections work and the prevention techniques to keep your data secure. What is ransomware — is it a virus, or something else? Read our guide to learn how ransomware works and how to prevent a ransomware attack.

Privacy Report vulnerability Contact security License agreements Modern Slavery Statement Cookies Accessibility Statement Do not sell my info All third party trademarks are the property of their respective owners. PC Close-icon. Mac Close-icon. Mobile Close-icon. Business Close-icon. Services Close-icon. Support Close-icon. FREE Download. Built to protect your PC, and your online life. Malware protection Stops viruses , spyware , and malware with six powerful layers of protection.

Email Shield Blocks dangerous email attachments and phishing links that could steal your data. Phishing protection Blocks unsafe links and webpages that could lead to malware or scams. AVG Internet Security. Enhanced anti-ransomware Give your most important files extra protection.

Anti-hacker security Block criminals from trying to remotely hijack your PC. Trusted by experts, enjoyed by consumers Each month, we stop over 1. How to install First, download the installation wizard using the button at the top of the page.

Lesen Sie hier unsere Hacking-Definition. Achten Sie z. Ist Ihr Computer langsam oder verhindert die Installation von Updates? Erfahren Sie, wie Sie Speicherplatz freigeben und die Festplatte bereinigen.

Was ist eine Firewall? Windows-PC beim Gamen zu langsam? Erfahren Sie, wie Sie diese Funktion aktivieren. Der kostenlose Antivirus war erst der Anfang. Avast Free Antivirus keeps your PC safe in real time without slowing it down. Looking for a performance boost? Avast Free Antivirus detects and blocks all types of malware in real time to prevent them from infecting your computer. At the same time, it scans your PC to remove viruses and other malware automatically before they can do real damage.

Feeling up for a challenge? You can also try to remove viruses and malware the old fashioned way. A computer virus is a type of malware that can spread quickly between computers and other devices. Learn how viruses work and how to protect against them. Want to learn about malware? Read this ultimate guide to find out what malware is, how it works, how it spreads and what you should do to protect yourself.

Have you noticed your Windows PC behaving strangely? Find out how to detect and remove viruses and other malware in this complete guide.

Is your router infected with malware? Learn how to check a router for malware and viruses, and how to remove any malicious software you find. Find out how to check for and detect keyloggers. Then learn how to remove them to protect your personal information and sensitive data. Ransomware is a serious threat to individuals, businesses, and even hospitals.

Learn how ransomware works and block hackers from holding your files hostage. How do you report identity theft? If you think your identity has been stolen, find out how to report it to the FTC, the police, or the government.

Find out which one is the most suitable for you. 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.