win2k error "acj8cq0x.sys" when re-installing

Hi there. I'm new to this forum and I would like some assistance if there may be, please. I was trying to re-install my win 2000 (currently running SP4). Usually whenever I need to do this, it goes fine. However, this last time I received this "missing file ajc8cq0x.sys" error at the beginning of the setup - you know - the blue screen and files are expanding. (I can't even skip this ".
I did a search of this forum as well as the 'Net and could not find this error. Has anyone ever seen this - of so, how is it resolved? Short of a clean install of course. Let me know if there's more info I need to provide. thanks in advance =)

 

Thanks Arie. Couple of questions. 1) how do I exactly delete the HD partition and 2) when I do this, will I lose all my applications and stuff? This what I'm trying to avoid. But if this is the only way, then I guess maybe I will have to back up everything and do your reformat recommendation. Darn virus ...