Just a silly thing, i would ditch the "No 1. for remote pc repair" on the top.
Reads 'no one' to me to easily... perhaps replace 'No' with '#1'?
256bit encryption as red text is being messed with by red lines, very hard to read, and like others above, fonts need some changing.
Change copywrite to 2011, it's at 2010 at footer.
Add another line break between ("Does the problem occur when you are using a particular device such as the printer?") and ("Does the problem occur when you are using a particular program such as a game, spreadsheet, or word processor?") to make the page uniform with spaces between bullets on the diagnostics page... though this may be moot, depending on what direction you take on the advice given above.
+1 wordpress.