Avast Antivirus is an developed by Avast Software based in Prague, Czech Republic. Its first edition was released in 1988, improving overtime. Avast was one of the first on-access antivirus programs to be released for the Windows x64 edition.

Hello, Avast! Keeps showing popup about malicious URL being blocked from the svchost.exe file. The malware is apparently trying to connect to something and I'm trying to stop it.

Avast 4 Home is a popular full-featured freeware antivirus applications available to Microsoft Windows and Linux users. As of October 2008 the free Home Edition has had over 37 million downloads on Download.com. As of December 2008 Avast (Home version) has had 70 million registered users. Avast is aimed at preventing infection by several types of computer threats, including those that are not technically such as and even. Also can recover -damaged files through its Virus Recovery Database.

Avast Home Edition is the version of Avast Antivirus which is available to and Linux users, while Avast Professional Edition is offered to businesses and users that want additional features. Professional Edition contains an enhanced user interface, through which scanning tasks can be scheduled to run automatically, while priority updates are delivered automatically using PUSH update technology. The Professional Edition also has a command line scanner and a script blocker. Avast Antivirus is one of the most widely used antivirus programs in the world, with more than 80 million users worldwide as of April 2009. Contents [] Features • Antivirus kernel based on certified antivirus engine. • Resident protection comprising individual modules or 'shields', each of which can be individually configured or disabled: • File System Shield - against viruses and other malware threats.

• IM shield - Instant Messaging protection. (Scanning of files transferred through instant messaging applications) • P2P shield - P2P protection. • Internet Mail - E-mail scanning. • Outlook/Exchange - Microsoft Outlook/Exchange scanning. • Web Shield - HTTP protection (local transparent proxy). Version 4.8 also allows the blocking of URLs. • Script blocker - Professional version only; scans webpages for malicious scripts.

• Network Shield - Basic protection against well-known network worms. • Anti- capabilities • Anti- capabilities • Virus Recovery Database (VRDB) - Allows repair of malware infected files. • Self-Protection - Prevents malware from terminating avast! Processes and damaging avast! • Automatic incremental updates - Updates of both the program and the virus database which is used to identify potential threats - Avast! Updates its virus definitions on a regular basis (sometimes multiple updates daily) and this process is automated by default.

• Audible alarms - Vocal warnings and notices such as 'Caution, a virus has been detected!' And 'Virus database has been updated.' • Password Manager - Creates a password manager to keep track of passwords • Boot-time scan - Users can schedule a boot-time scan to remove infections that load during Windows startup. • VPN - Professional mode only; servers in 26 locations around the world • Virus Chest -; folder where infected files can be stored. The virus chest also stores vital system files to protect them from damage by malware.

Users can also add their own files to the virus chest. Once in the chest, a file cannot be executed; double-clicking the file will instead display information about the file. • Skinnable user interface • A official Avast! Browser called 'Avast safezone' Registration (Home Edition) Avast! Antivirus can be downloaded and used for free for 60 days.

Sophos Home for Mac is a solid plan for families, especially those on a tight budget. For features, price-per-computer, and ease of configuration, Sophos Home Premium comes out on top.

After 60 days, the free Home Edition must be registered, and a license key inserted into the program, in order for the program to continue functioning. After registering, a license key is sent by email and once inserted into the program, it can continue to be used free of charge for 14 months. After 14 months, it is necessary to re-register and insert a new license key. Versions The Avast product range comprises the following: • Avast Home Edition — for personal, non-commercial use only.

• Avast Professional Edition — for both personal and commercial use. • Avast Windows Home Server Edition — Shareware for use on Windows Home Servers. • Avast Professional Family Pack — Shareware for use in the home by families with multiple computers. Includes 10 licenses of Avast!

Professional Edition and one license for Avast! Windows Home Server Edition. • Avast Mac Edition — Shareware for the Mac platform. The Mac+PC Edition includes both Avast! Mac Edition and Avast! Professional Edition for Macs also running Microsoft Windows. • Avast Server Edition — Shareware for businesses running Windows Server - may be extended by additional modules for MS Exchange Server 2000/2003/2007, MS Proxy/ISA Server, SMTP Server, MS Sharepoint Server (Portal Server 2001/2003, Windows Sharepoint Services 2003 and MS Office Sharepoint Server 2007) • Avast Distributed Network Manager — allows network administrators to manage the Avast!