I was having problems with Windows Live Mail in Windows 7 so I deleted the Windows Live Essentials from the computer. I subsequently could not reinstall. After much effort I gave up and upgraded to Windows 10 where all programs appear to work except that once again I cannot install Windows Live Essentials. I have turn ON the Windows Firewall and removed all Windows Live folders from my computer. The program gives the error message "It looks like another program is preventing the installer from working." Error message 0x80040609. In addition to turning Firewall on, I disabled Norton temporarily but the program gave the same message. Any idea what programs might be interfering or how I could get the program installed? I am most interested in Windows Live Mail and need to get it up and running as soon as possible.