=begin

Win32::Registry::HKEY_LOCAL_MACHINE.create "Software\classes\#{name}\shell\open_with_redcar"
NoMethodError: undefined method +' for :HKEY_LOCAL_MACHINE:Symbol from E:/installs/ruby191p376/lib/ruby/1.9.1/win32/registry.rb:590:in name'
from E:/installs/ruby191p376/lib/ruby/1.9.1/win32/registry.rb:596:in inspect' from E:/installs/ruby191p376/bin/irb:12:in '

my attempted fix:

Index: ext/dl/win32/lib/win32/registry.rb¶

--- ext/dl/win32/lib/win32/registry.rb (revision 26655)
+++ ext/dl/win32/lib/win32/registry.rb (working copy)
@@ -473,7 +473,7 @@
parent = self
name = @keyname
while parent = parent.parent

•    name = parent.keyname + '\\' + name
  

•    name = parent.keyname.to_s + '\\' + name
   end
   name
  

  end
  =end