Trend Micro PC-cillin Virus Pattern Files ----------------------------------------- As of Jun 30, 2004, the latest pattern file number is 923 (1.923.00). Official Pattern Release 923 (1.923.00) lpt923.zip (AS/400, S/390, Windows) 4.1MB ----------------------------------------- The Official Pattern Release or OPR is Trend Micro's latest compilation of patterns for identified viruses. It is guaranteed to have passed a series of critical tests to ensure that customers get optimum protection from the latest virus threats.