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Updates > Schedule
Trend Micro recommends that you set automatic pattern and scan engine updates. Recommended update intervals for the various components are listed in the following paragraph. Program updates (patches, and so on) occur automatically when available during the next scheduled virus pattern update.
Pattern—New virus pattern file updates are often available several times a day to keep pace with emerging threats. This setting controls the updating schedule for the following patterns:
Virus pattern
Spyware pattern
Bot pattern
IntelliTrap pattern
IntelliTrap exception pattern
Smart Scan Agent pattern
Script Analyzer Pattern
Protocol Information Extraction Pattern
Scan engine—At least weekly
URL filtering engine (optional)—At least weekly