WindowsXP is a quirky OS when it comes to built-in burning capability. Many people claim to be able to burn fine. Many others have problems. Microsoft released an update to the IMAPI (which, FYI stands for Image Mastering Applications Programming Interface); that update can be found at
http://support.microsoft.com/default...b;en-us;320174 Furthermore, Microsoft has adressed other burning issues with WindowsXP, see
http://support.microsoft.com/default...b;en-us;324129
That update might be rolled up in SP1a or SP2 by now but I dont know, i run SP1 and i dont use IMAPI so i dont have a way to check