Hi requiemdream.

Well, relax a bit an lean back. Now the first issue explained just to set your mind at rest a bit more, is the SID account-unknowns (see image reply#13). Read here why there is no threat meant at all there: http://www.sevenforums.com/general-discussion/217773-account-unknown.html
Know you feel better now. Hope magna86 can add more to the good news, as apart from some search page hijacker I could not envision enormous threats luring in the background,

polonus