BETA VERSION OF AVAST 5.1 [NOW 5.1.798]




How to install it
Just run the setup executable. You can either install it from scratch, or on top of an existing avast installation (installing over both 5.0.xxx or 4.8.yyy should be fine). A reboot will be required to complete the installation


What's new

Most notable improvements include:
- Boot-time scanner for 64-bit OSes (finally!)
- Behavior Shield improvements - now with more sensors and able to detect exact offenders*
- Improved cleaning of infected computers
- Improved anti-rootkit engine - now capable of dealing with the latest TDL variants, for example
- Web Shield improvements (both stability and performance related)
- Mail and Web Shields not hosted in separate NT services anymore, resulting in much faster starts
- IS: new version of antispam engine
- Sound packs (more info coming later)