Legacy ImageMagick Discussions Archive

Searched everywhere from google / stack overflow everywhere. Can anyone help with this installation error:

C:\Users\Will\Desktop\RMagick>gem install rmagick-2.7.1-x86-mswin32.gem
ERROR: While executing gem ... (NoMethodError)
undefined method `spec' for nil:NilClass


C:\Users\Will\Desktop\RMagick>gem env
RubyGems Environment:
- RUBYGEMS VERSION: 1.3.7
- RUBY VERSION: 1.8.6 (2008-08-11 patchlevel 287) [i386-mswin32]
- INSTALLATION DIRECTORY: C:/Ruby/lib/ruby/gems/1.8
- RUBY EXECUTABLE: C:/Ruby/bin/ruby.exe
- EXECUTABLE DIRECTORY: C:/Ruby/bin
- RUBYGEMS PLATFORMS:
- ruby
- x86-mswin32-60
- GEM PATHS:
- C:/Ruby/lib/ruby/gems/1.8
- C:/Users/Will/.gem/ruby/1.8
- GEM CONFIGURATION:
- :update_sources => true
- :verbose => true
- :benchmark => false
- :backtrace => false
- :bulk_threshold => 1000
- :sources => ["http://rubygems.org", "http://gems.github.com"]
- REMOTE SOURCES:
- http://rubygems.org
- http://gems.github.com

Checked my gems is up to date and everything.

Thanks

Will.