[chef] Cookbook Upload Error

[< >]

Running on Win7 x64. I have had no troubles with chef 0.10.4 but upgrading to
chef 0.10.6 and running knife cookbook upload gives me this error,

C:\Users\*****>knife cookbook upload tomcat -c chef/knife.rb
<internal:lib/rubygems/custom_require>:29:in `require': no such file to load 
--
win32/process (LoadError)
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/shell_out/windows.rb:20:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/shell_out.rb:46:in
`<class:ShellOut>'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/shell_out.rb:39:in
`<class:Chef>'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/shell_out.rb:25:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/mixin/shell_out.rb:18:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/resource/conditional.rb:19:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/resource.rb:24:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/mixin/recipe_definition_dsl_core.rb:20:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/provider.rb:22:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/platform.rb:26:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/client.rb:26:in `<top
(required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/cookbook_version.rb:23:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/cookbook/cookbook_version_loader.rb:3:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/cookbook_loader.rb:23:in
`<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/knife/cookbook_upload.rb:32:in
`block in <class:CookbookUpload>'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/knife.rb:202:in 
`call'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/knife.rb:202:in
`load_deps'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/knife.rb:163:in `run'
        from
C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/lib/chef/application/knife.rb:128:in
`run'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/chef-0.10.6/bin/knife:25:in
`<top (required)>'
        from C:/Ruby192/bin/knife:19:in `load'
        from C:/Ruby192/bin/knife:19:in `<main>'