360 Security Guard V4.20

360 Security Guard is the most popular free security software in China. It features several powerful functions such as detecting and removing latest Trojan viruses, cleaning up malicious software and system plugins, managing application software, integrating Kaspersky Lab antivirus engine, real-time system protection, and fixing system vulnerabilities. Moreover, it provides specific auxiliary functions including comprehensive system diagnosis, popup plugin immunity, cleaning usage traces, and system restore. Additionally, it offers a thorough diagnostic report for the system, helping users to quickly identify issues. Truly, it provides all-round system security protection for every user.