A feature of the program allows to analyze the PC for programs without updating. Other scan modes available, but not for viruses to optimize and improve PC performance. There are five types of scans to find and remove from your PC. Update your virus database daily to ensure maximum protection against online threats (viruses, spyware or rootkits). Chosen by many users to protect their PCs, Avast is an easy to use and multifunction security program with proven potential.Īvast offers real-time protection for your computer. Avast is an antivirus program that needs no introduction.