Avast Free Antivirus
  • For home
  • For business
  • For partners
  • Support
  • About us
  • Shop
  • Account
Menu
Download Free Antivirus
Menu
  • For home
  • For business
  • Support
  • About us
  • Shop
  • Account
For home
  • Security
  • Ultimate
  • Premier
  • Internet Security
  • Free Antivirus
  • How they compare
  • Privacy
  • SecureLine VPN
  • Passwords
  • AntiTrack
  • Secure Browser
  • Performance
  • Cleanup Premium
  • Driver Updater
  • Security
  • Security for Mac
  • Privacy
  • SecureLine VPN
  • Passwords
  • Performance
  • Cleanup Pro
  • Security
  • Mobile Security
  • Privacy
  • SecureLine VPN
  • Passwords
  • Performance
  • Cleanup
  • Wi-Fi Finder
  • Privacy
  • SecureLine VPN
  • Passwords
  • Security
  • Smart Home Security
  • Support
  • Academy
  • Blog
  • Support
  • Academy
  • Blog
  • Support
  • Academy
  • Blog
  • Support
  • Academy
  • Blog
  • Support
  • Academy
  • Blog
For business
  • Endpoint Protection Solutions
  • Antivirus Pro Plus
  • Antivirus Pro
  • Antivirus
  • Managed Antivirus
  • How they compare
  • Managed Solutions
  • Managed Workplace
  • CloudCare
  • Partners
  • Become a Partner
  • Find a local Partner
  • Partner Portal Login
  • Resources
  • Datasheets
  • Whitepapers
  • Videos
  • eBooks
  • Blog
  • Security
  • Smart Life Platform
  • Contact us
  • Resource Center
  • Business Support
  • News & Events
  • Shop Now
  • Contact us
  • Resource Center
  • Business Support
  • News & Events
  • Shop Now
Company
  • About us
  • Technology
  • Blog
  • Investors
  • Careers
  • Press center
  • Contact us
  • Transparency report
  • Awards
  • PC
  • Mac
  • Android
  • iPhone/iPad
  • IoT
Security
  • Ultimate
  • Premier
  • Internet Security
  • Free Antivirus
  • How they compare
Privacy
  • SecureLine VPN
  • Passwords
  • AntiTrack
  • Secure Browser
Performance
  • Cleanup Premium
  • Driver Updater
Security
  • Security for Mac
Privacy
  • SecureLine VPN
  • Passwords
Performance
  • Cleanup Pro
Security
  • Mobile Security
Privacy
  • SecureLine VPN
  • Passwords
Performance
  • Cleanup
Privacy
  • SecureLine VPN
  • Passwords
Security
  • Smart Home Security
  • View all PC products
  • View all Mac products
  • View all Android products
  • View all iOS products
Related links
  • Support
  • Academy
  • Blog
  • Products
  • Solutions
  • Security Services
  • Partners
Antivirus Products
  • Antivirus
  • Antivirus Pro
  • Antivirus Pro Plus
  • All products
Managed Security Platforms
  • CloudCare
  • Management Console
  • Managed Workplace RMM
  • All products
Business Solutions
  • Endpoint Protection Solutions
  • Managed Security Solutions
  • Network Security Solutions
  • All Solutions
Business Solutions
  • Endpoint Protection Solutions
  • Managed Security Solutions
  • Network Security Solutions
  • All Solutions
Business Security Services
  • Managed Antivirus
  • Backup and Disaster Recovery
  • Content Filtering
  • Email Security
  • NOC and Help Desk
  • Secure Web Gateway
  • All Business Security Services
Partners
  • Become a Partner
  • Find a Partner
  • Partner Portal Login
Resources
  • Datasheets
  • Whitepapers
  • Videos
  • eBooks
Related links
  • Answers
  • Blog
  • Shop Now
  • Contact us
  • News & Events
  • Business Support
  • Resource Center
For partners
  • Mobile Carriers
  • Affiliate Programme
  • Avast Business Partners
Company
  • About us
  • Technology
  • Blog
  • Investors
  • Careers
  • Press center

  • Contact us
  • Transparency report
  • Awards

I ACCEPT

Get support for Avast Pro Antivirus

Avast Pro Antivirus is our advanced protection that stops not only malware, spyware, and ransomware, but also helps you avoid dangerous fake websites.

Basic Usage

  • Avast Antivirus - FAQs
  • Installing Avast Pro Antivirus
  • Scanning your PC for viruses with Avast Antivirus
  • Updating Virus definitions and Avast Antivirus application version
  • Adjusting settings for Avast Antivirus shields

Subscription and Purchase

  • Activating Avast Pro Antivirus
  • Transferring an Avast Antivirus subscription to another PC
  • Troubleshooting activation issues in Avast products
  • Canceling automatic renewal of Digital River orders
  • Canceling automatic renewal of an Avast subscription

Technical Issues

  • Excluding certain files or websites from scanning in Avast Antivirus
  • Troubleshooting when Avast Antivirus components no longer work properly
  • Troubleshooting the "UI Failed to load" error message in Avast Antivirus
  • Uninstalling Avast Antivirus
  • Using the Uninstall Utility for Avast Antivirus

Need additional help?

Contact us

Useful links

  • Support
  • Business Support
  • Forum
  • Affiliates
  • Security news

The company

  • Contact us
  • Careers
  • Press center
  • Technology
  • Avast Foundation
  • Avast Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Google+
  • Google+ Developers
  • YouTube

Privacy policy Acceptable Use Policy License Agreement Intelectual Property

1988-2019 Copyright Avast Software s.r.o.

AMERICAS

  • Argentina
  • Brasil
  • Canada (English)
  • Canada (français)
  • Chile
  • Colombia
  • EE.UU. (español)
  • México
  • USA (English)
  • América Latina (español)

EUROPE, MIDDLE EAST& AFRICA

  • België (Nederlands)
  • Belgique (français)
  • Česká republika
  • Danmark
  • Deutschland
  • España
  • France
  • ایران
  • Italia
  • Magyarország
  • Nederland
  • Norge
  • Polska
  • Portugal
  • Schweiz (Deutsch)
  • Slovensko
  • South Africa
  • Suisse (français)
  • Suomi
  • Sverige
  • Türkiye
  • United Arab Emirates
  • United Kingdom
  • Ελλάδα
  • ישראל
  • Казахстан
  • Россия
  • Україна (українська)
  • Украина (русский)
  • المملكة العربية السعودية
  • الدول العربية
  • Europe (English)

    ASIA& PACIFIC

    • Australia
    • India
    • इंडिया (हिंदी)
    • Indonesia (English)
    • Indonesia (Bahasa Indonesia)
    • Malaysia (English)
    • Malaysia (Bahasa Melayu)
    • New Zealand
    • Philippines (English)
    • Pilipinas (Filipino)
    • Singapore
    • Việt Nam
    • 日本語
    • 대한민국
    • 中华人民共和国
    • 臺灣
    • ประเทศไทย
    • Worldwide (English)