Laurent Montaron posted a comment on discussion Enigmail Support

I use gpg (GnuPG) 2.2.5 32-bit on Windows 7 Pro 64-bit. I use the Cygwin port of GnuPG, not the native Windows one. When I upgraded to Enigmail v2, Enigmail no longer recognizes gpg2.exe has a valid GnuPG. Downgraded to Enigmail 1.9.9 and it started working again. Error message is : "In order to use Enigmail, GnuPG is required. If you did not install GnuPG yet, the easiest way to do this is using the "Setup Wizard" button below." Log follows Enigmail version 2.0.2 OS/CPU=Windows NT 6.1; WOW64 Platform=Windows...