Cygwinへcentos7がインストールできない

お世話になります
いろいろ勉強しています
環境は
Vagrant 2.2.3
Virtualbox 5.2.8
今回はCygwinへCentOS7をインストールしようとして躓いています
いろいろ検索していますが解決できません
ご指導ください
エラー内容は

mtg-1@DESKTOP-7TS03J1 /cygdrive/c/Users/mtg-1/MyVagrant/CygwinCentOS7
$ vagrant init centos/7
Traceback (most recent call last):
15: from internal:gem_prelude:4:in <internal:gem_prelude>' 14: from /usr/share/rubygems/rubygems/core_ext/kernel_gem.rb:65:in gem'
13: from /usr/share/rubygems/rubygems/dependency.rb:323:in to_spec' 12: from /usr/share/rubygems/rubygems/dependency.rb:303:in to_specs'
11: from /usr/share/rubygems/rubygems/dependency.rb:280:in matching_specs' 10: from /usr/share/rubygems/rubygems/specification.rb:847:in stubs_for'
9: from /usr/share/rubygems/rubygems/specification.rb:977:in dirs' 8: from /usr/share/rubygems/rubygems.rb:427:in path'
7: from /usr/share/rubygems/rubygems.rb:381:in paths' 6: from /usr/share/rubygems/rubygems.rb:381:in new'
5: from /usr/share/rubygems/rubygems/path_support.rb:34:in initialize' 4: from /usr/share/rubygems/rubygems/path_support.rb:70:in split_gem_path'
3: from /usr/share/rubygems/rubygems/path_support.rb:70:in map' 2: from /usr/share/rubygems/rubygems/path_support.rb:70:in block in split_gem_path'
1: from /usr/share/rubygems/rubygems/path_support.rb:85:in expand' /usr/share/rubygems/rubygems/path_support.rb:85:in realpath': No such file or directory @ realpath_rec - /HashiCorp (Errno::ENOENT)