It is critical that you keep your operating system (such as Windows XP) and Internet browser up to date in order to maintain system security. Part of this maintenance is in accepting and installing the latest security and service pack updates automatically sent to your computer from Microsoft. Security updates are vital in the fight against viruses and other vulnerabilities.
Service packs might contain updates for security, system reliability, program compatibility and more. They can also greatly help in keeping your operating system current and improving the functionality of your computer. Even reputable programs (such as Outlook? Express) or operating systems may contain security holes if the latest patches or service packs are not installed.