Microsoft has released security bulletin MS08-057 regarding all information of security update for the Compatibility Pack for Microsoft Office 2007 File Formats. This information includes file information and display options. This update knowledge base 955936 is for all users who have Microsoft Office System 2007. This is a security vulnerability 2007 could allow others to run in a maliciously way an openened file. This update resolves that vulnerability. To update this program, you have to read the system requirements in the web site. It will run under Windows Server 2003 Service Pack 1; Windows Vista; Windows XP Service Pack 2. This product applies only for Microsoft Office 2007 users. There are plenty of updates related to Microsoft; we encourage you to configure your automatic updates option, so you can be calm and not worried anymore about your updates. And If I can say so there isn´t a perfect software in the world, we have to update always. Remember today, we need to be alert for these vulnerabilities.