Followed those instructions to the letter m8, only folder it found was core.cache.dsk, duly deleted that. Went into registry and CORE folder wasn't there. Re-booted and scanned with both McAfee and Kaspersky, they both find and remove stuff BUT NOT ZEDO. It still keeps popping up despite all my attempts at ridding my pc of this

Even tried Webroot Spybot and it duly finds Zedo and says it will try and remove after reboot but then it doesn't! It is still there

Am i going to have to a reformat and Windows reinstall to finally get rid of this Zedo rubbish??