Trend Micro Pattern File for Windows 8.189.00 

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.

Editor’s note : Majorgeeks recommends you update through your programs auto update. This should only be used if your auto update fails.

http://www.trendmicro.com/ftp/products/pattern/lpt189.zip