error 0x5,0,0,0×1 on NT4 installation

Hello everybody, i am new on here, I was trying to install windows NT4 workstation to my computer a HP Pavilion 6609 in a multiboot enviroment..i got a hard drive of 40 Gib seagate,I’ve got a first primary partition FAT of 200 MB,second primary parttion of 4 GB FAT32 for win98 already installed and the rest is an extended and i made a first logical partition of FAT16 to install WInNT4 workstation, also have another partition FAT32 at the end of the enxtended partition but whenever i try it appears a problem, i tried the installation with winnt/ox on this way i don’t have the problem of winnt.sif and the installation goes until i get an error 0x5.0,0,0×1, ah! of course i hide win98 to install that..does someone know what this error mean and how to fix it? thanks for your help any suggestion is welcome:)
javier