If the above method does not work than try NetPumper PRO Download Manager It has worked for others since the above method does not work.

What You Need:
You will need NetPumper PRO Download Manager Download It Here (zipped)|Download It Here (winrar)

Step1: Install the program and restart PC (optional) AFTER INSTALING OPEN THE FILE FROM CODE FOLDER

Step2: Go to the file that you would like to download and right click on the link select Copy Link Location
FireFox view


Internet Explorer view

Step3: lunch NetPumper PRO Download Manager and click AddURL(file>addurl) paste the URL and click OK and until it complete

enjoy :)

Tips:
1. You could pause the download and resume later.