Have you ever gone to a website page only to get a 404 bad link error ?
All modern browser load pages once and then use its cache (local memory on your PC) rather than the server where the new file is located.

 In cases where file might change frequently, like software version, you might need to clear your PC browser cache or tell the browser to "Force Reload" the page


HOW TO MANUALLY FORCE A WEB PAGE PAGE RELOAD 
In all web browsers, it is possible to force a page reload from the server
by holding down the shift key while you click on the Refresh button.


ChromeHold SHIFT key and click on the refresh  icon 
Or Hold Ctrl key press F5
FirefoxHold Ctrl key press F5
Or  Hold Ctrl key press R
Internet Explorer Hold SHIFT key and click on the refresh  icon 
Or Hold Ctrl key press F5


FILE CORRUPT AFTER DOWNLOAD

Attention , check your computer for a potential virus. Files on our servers are checked regularly 

for their validity and proper functioning.


Which could cause the problem.


  • Error caused by your internet service 
  • It may also happen that your browser is experiencing configuration problems
  • Use another browser like microsoft edge, explorer, Firefox ect. 
  • A virus that damages your file at the time of download
  • A physical problem with your computer 
  • A Plugin in your browser


Version française ici http://triplogik.freshdesk.com/solution/articles/3000090673-erreur-404-not-found-impossible-de-t%C3%A9l%C3%A9charger-le-logiciel