Try this instead.

Ultimate Boot CD - Overview

That Cd has some virus programs built into it. Download the image and have nero burn the image to CD...boot to the cd and navigate to the anti- virus programs...use one or the other and run it from the CD. It will clean out anything it finds and that should be good enough to get you back into your system to run your other spywar/malware tools.

You cannot slave a drive by leaving it in the other computer. You need to remove the old drive and directly connect it to the newer computer either by attaching it directly to the motherboard using the correct cable...SATA/IEDE or use an external harddrive case and connect it with the correct cable required for that case.