Before we continue any further, can you fill up your system specs by using the following tutorial?
System Info - See Your System Specs
What do you mean the by the box is greyed out?
Are you referring to the highlighted box in yellow, or the oulined box in blue?
Also can you tick the checkbox marked in red?
Can you take a screenshot of your setup.exe property box and the error that pops up when you try and copy the files to your HDD and upload both of them following the tutorials below?
How to Use the Snipping Tool in Vista - Vista Forums
Screenshots and Files - Upload and Post in Seven Forums
Thanks in advance!