Hi folks, i bought an HP Pavilion 6880ee with windows vista based and this os killing me, i need to change it to xp sp3, i used nlite to integrate drivers for sata HDD but every time i burn cd i got different message like " The File iaStor.Sys was not found" or " IaStor.sys file is corrupted" i followed every step written on this forum to make new xp cd with sata enabled. *Note: No Floppy Disk please i need your help guys this vista sucks. My laptop features: Intel Core Due2 2.20 t7500 4 GB Currently OS : Vista Ultimate Intel® 82801HEM/HBM SATA AHCI Controller Intel® ICH8M Ultra ATA Storage Controllers - 2850 Txtsetup.sif -------------------------------------- [sourceDisksFiles.x86] iastor.cat = 1985,,,,,,,1985,0,0 iastor.inf = 1985,,,,,,,1985,0,0 iastor.inf = 1986,,,,,,,1986,0,0 iaStor.sys = 1,,,,,,4_,4,1,,,1,4 [HardwareIdsDatabase] PCI\VEN_8086&DEV_2829&CC_0106 = "iaStor" [sCSI.Load] iaStor = iaStor.sys,4 [FileFlags] iaStor.sys = 16 [sCSI] iaStor = "Intel® 82801HEM/HBM SATA AHCI Controller (Mobile ICH8M-E/M)" WINNT.SIF ; Generated by nLite 1.4.1 [Data] Autopartition=0 MsDosInitiated=0 UnattendedInstall="Yes" [unattended] UnattendMode=DefaultHide UnattendSwitch="No" OemPreinstall="Yes" OemSkipEula="Yes" FileSystem=* WaitForReboot="No" NoWaitAfterTextMode=1 NoWaitAfterGUIMode=1 DriverSigningPolicy=Ignore NonDriverSigningPolicy=Ignore [systemRestore] [GuiUnattended] OemSkipWelcome=1 [Components] [userData] ProductKey="V2C47-MK7JD-3R89F-D2KXW-VPK3J" [RegionalSettings] Language= "0409" [Networking] InstallDefaultComponents="Yes" again guys your help is much appreciated, any solutions are welcomed Cheers WINNT.SIF