Microsoft is planning to release a major update to their Windows XP operating system in August. Windows XP Service Pack 2 will be a free update. This update will help make your computer more secure and provides a number of other tweaks as well. This update will include embedded pop-up ad blocking software as well as a much improved firewall. Microsoft will be offering free support for this update. see full AP article or read more about how companies such as Norton are bracing for the impact of this update.