In the instructions in the link, before mentioning the steps it says to start the computer in safe mode, which i did. Then i went to start, my computer, D:, docs and settings, then Leafar (the folder that i want to access). Then...
1. Right-click the folder that you want to take ownership of, and then click Properties.
I did that
2. Click the Security tab, and then click OK on the Security message (if one appears).
There was no security tab, so i looked at all the tabs and clicked on one of them. I cant remember which one it was. In this tab there was an Advanced button which i clicked, and i looked around in there (im going from memory here). I saw something about ownership, permissions, and a list of permissions with boxes next to them. I tried to click on the ownership box but nothing happened. As i say this is complicated stuff to me.