Websites you may find useful for your computer :

French

• http://bfmbusiness.bfmtv.com/01-business-forum/l-antivirus-25-ans-deja-621040.html
• http://www.clubic.com/article-291328-1-problemes-ordinateur-ralentit.html
• http://www.zdnet.fr/actualites/chiffres-cles-le-marche-des-pc-39380521.htm
• http://www.linternaute.com/hightech/micro/conseils-de-securite-pour-son-ordinateur/

English

• https://www.us-cert.gov/publications/virus-basics
• https://www.us-cert.gov/Home-Network-Security\IV-A-2
• https://www.justice.gov/criminal-ccips
• http://community.directliquidation.com/computer-guide-to-online-safety-and-viruses/