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    Home / Definitions / On-Demand Scanner
    Security 1 min read
    A type of antivirus program that actively scans your computer system for viruses only when prompted to do so by the computer user, or by scheduling it as a time-specific task. On-demand scanners, while used to scan hard drives can also be used to check removable storage devices before copying from those devices onto your system. Contrast with on-access scanner.