What is one of the main functions of an antivirus program?

One of the main functions of an antivirus program is to detect and remove malicious software. This is crucial for maintaining the security and integrity of a computer system. Malware, including viruses, worms, Trojans, and ransomware, can disrupt system operations, compromise personal data, and lead to significant financial loss for individuals and organizations.

Antivirus software operates by scanning files, applications, and system memory for known signatures of malware and monitoring system behavior for suspicious activities. When malicious software is detected, the antivirus program can quarantine it, delete it, or alert the user to take further action. This proactive approach is essential to prevent infections and keep devices secure, ultimately safeguarding sensitive information and ensuring the smooth operation of systems.

Functions like managing network traffic, blocking unwanted ads, or optimizing hard drive space are important in their own areas but do not encompass the primary security focus that an antivirus program serves.