This is "Volume License" version from MSDN: It's clean 100%.
Technicians, Engineers, IT Professionals and Developers used to Download this version to build (to MOD) another XP versions.
NOTE: This is not "Service Pack 3" version, it's XP SP3 installation version.
Download P1 || P2
Use Nero or UltraISO to burn this file to a CD (DVD) and Boot it to setup.