Linking Documents

Hello, I am having a problem with linking documents. On paragraph 3 of the web site I have 5 documents at the bottom. 3 are working and the other two are not. Can you look and see if you see a problem have been working at this for the past week.
www.gofourstar.com
Thank you
LindaM

Got one of them to work by renaming document. Still a problem with the EASA document.

Hi LindaM,

The browser reports "Error 404; The page cannot be found."

I.e., http://www.gofourstar.com/easa.pdf must be invalid

Regards,
amateur