If you don't have ASPI installed then don't worry about it. You don't need it with Windows XP or 2K. But some applications will install it none-the-less and if you have a corrupted layer it can cause problems.
To install Microsoft IDE drivers:
Originally posted by debro
[B]Right click on my computer->Properties->
Hardware tab->Device manager (middle -right)
Expand IDE ATA/ATAPI controllers
Will have intel / Via / nvidia Ultra ATA storage controller (or similar)
Don't do the primary or secondary channels. They are children of the main.
Right click on the Via /Intel / Nvidia Ultra ATA / IDE controlller and select "Update driver".
Then select "install from a list or specific location"-> next
Select "Don't search. i will choose the driver to install" -> next
Select "standard Dual Channel PCI IDE Controller (or similar)" -> next
Reboot machine to take effect.