我在Windows机器上安装了最新版本的rails，当我尝试创建新应用程序时，我收到以下错误消息：
C：\Sites>rails new apexaC：/Ruby/lib/ruby/gems/1.8/gems/railties-3.2.6/lib/rails/command/application.rb：12：在expand_path': non-absolute home (ArgumentError)
from C:/Ruby/lib/ruby/gems/1.8/gems/railties-3.2.6/lib/rails/commands/application.rb:12
from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in gem_original_require' 来自 C：/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb：36：in require'
from C:/Ruby/lib/ruby/gems/1.8/gems/railties-3.2.6/lib/rails/cli.rb:15
from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in gem_original_require' from C：/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb：36：in require'
from C:/Ruby/lib/ruby/gems/1.8/gems/railties-3.2.6/bin/rails:7
from C:/Ruby/bin/rails:19:in load' 从 C：/Ruby/bin/rails：19
我遇到了类似的问题，并在这里找到了答案：
简而言之，重置 %HOME% 环境变量（至少在同一命令提示符下），然后重试。
set HOME=
set HOMEDRIVE=
set HOMEPATH=
set HOMESHARE=