A message say's while down loading software, at this time can't find addon manger. Everything was check for admin. This hard drive was just formatted. Fresh install of win10, p3d4.5, no antivirus installed. This hard drive is dedicated to this sim. When I try to use the updater it stopes at page 2. A message say's,problem downloading file\C:\Addon Manager\couatl\…. The remote server returned an error:(404) Not Found.