nLite. The Best program for customizing/editing installations of I386's based Windows OSes ever! It is possible to get updated: MCE 2005 Feature... if... About integrating Service Pack 3 into Windows XP Media Center Edition 2005. The following scenario is fully workable: 1. You need to use DXUPAC MCE Slipstreamer SP3. 2. Integrate with nLite YumeYao_WMP10_Addon_ENU_V3_4_5. 3. You are done, and you have WinXP MCE 2005 with SP3 (Media Center 3.0) 4. After Installation you need to install NETFX 1.1, and after that 5. Install only KB900325.exe (extracted from WindowsXPMediaCenter2005-KB900325-usa.