http://msmvps.com/blogs/bradley/archive/2005/04/24/44249.aspxPattern File 2.594.00 may cause high CPU utilization http://www.trendmicro.com/en/support/pattern594/overview.htm From the bulletin: Why did this happen? To protect its customers against the growing threat of the WORM_RBOT family , Trend Micro enhancedenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/bradley/archive/2005/04/24/44249.aspx#433714Tue, 19 Dec 2006 18:56:12 GMTd67277c4-116b-43f1-b688-e9ef184ea916:433714wehuberconsultingllc.com » Blog Archive » Trend Pattern File 2.594 may cause high CPI utilization [is your system pegging the CPU at 100%?]<p>PingBack from <a rel="nofollow" target="_new" href="http://www.wehuberconsultingllc.com/wordpress/?p=244">http://www.wehuberconsultingllc.com/wordpress/?p=244</a></p><img src="http://msmvps.com/aggbug.aspx?PostID=433714" width="1" height="1">