The name of this program that caused the issue. And if you are referring to the usual fix of deleting the Upper and LowerFilters in the registry.
My problem is with the above drives. I have Windows XP Pro and have followed all the instructions to get drives back working. They did work just fine till I put an old program on which conflicted with windows which said it couldn't be accessed so I unintalled it and then lost all the drives. I have since been able to get them back where they are recognized in My Computer and in the bios. In the bios they were always recognized but not in My Computer or in System files. In Device Manager they say all are working properly but still cannot use them. Can anyone tell me what else to do? I have followed all windows instructions but still can't use them. Thanks for the help.