I am also rec'g that error message I have a Dell XP (pre SP1) disk and am integrating SP3 I'm also integrating RVMUpdatePackSP3_1.0.2 and DotNetFx_In_1_Addon_v2.3 Microsoft said SP1 & SP2 are NOT needed for slipstreaming SP3 can I ignore this error message and expect the slipstream process & install to work ok? if not, can someone kindly tell me how to fix it? also, I cannot locate all the drivers for my Gateway T-6841h laptop Gateway only has the SATA, Audio and Bios drivers for XP (I'm not integrating the BIOS driver - should I?) what to do? Last_Session.ini