>>I'm helping to remove an infection from a fellow's computer. I have removed two root kits and forteen trojans, but one MBR virus was lurking on the HD and I found it this morning. I don't know what it is called besides the very special names I have given it. The MBR virus will not let me reformat. Any ideas for complete removal of the thing?
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>can you run fdisk from a cd after changing the boot order in bios to reboot from CD?

Yes.