Try running your chkdsk. Go To Start, Select Run, Type chkdsk, then select enter.
Post back with the results.
Also, where exactly did you get your copt of Spybot from? If you googled it, and just went to the first site, it may not really be spybot. S and D is a very popular program and whoever pays google the most becomes the first search result. I believe the actual author's site comes up four or five down the list. Just a thought.
I would uninstall your copy. Here's Patrick Kolla's (the software author) website.
http://www.safer-networking.org/en/download/index.html Re-install and see how it goes.