It worked! Well, not the apply-to-all-30-folders method, but I was deciphering Step 6 of Microsoft's article, and I managed to figure out what it meant. That being said, Microsoft should hire better people that write these instructions, it assumes the readers knows way too much.
Once I did that, everything else fell into place, I moved the folders, and edited the registries.
The value said
"E:\", so I did what you said and wrote
"C:" . I presume the missing
"\" won't make much of a difference. If it does, please tell me and I will re-do it.
