Even though hundreads of thousands of users have used our Windows XP SP1 Upgrade Guide already Microsoft have today offically released their latest service pack for Windows XP to the public.
Microsoft continually works to improve its software. As part of this effort, we develop updates and fixes to recognized issues and release them for customers. On a regular basis, we combine many of these fixes into a single package and make the package available for you to install on your computers. These packages are called Service Packs.More information at Microsoft
Windows XP Service Pack 1 (SP1) provides the latest security and reliability updates to the Windows XP family of operating systems. Windows XP SP1 is designed to ensure Windows XP platform compatibility with newly released software and hardware, and includes updates that resolve issues discovered by customers or by Microsoft's internal testing team. To determine whether to install Windows XP SP1, we recommend reviewing the Windows XP documentation and information below.