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Asked: 2026-05-10T16:27:13+00:00

I get the following error when attempting to install RubyGems . I’ve tried Googling

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I get the following error when attempting to install RubyGems. I’ve tried Googling but have had no luck there. Has anybody encountered and resolved this issue before?

 C:\rubygems-1.3.0> ruby setup.rb . . install -c -m 0644 rubygems/validator.rb C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/validator.rb install -c -m 0644 rubygems/version.rb C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/version.rb install -c -m 0644 rubygems/version_option.rb C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/version_option.rb install -c -m 0644 rubygems.rb C:/Ruby/lib/ruby/site_ruby/1.8/rubygems.rb install -c -m 0644 ubygems.rb C:/Ruby/lib/ruby/site_ruby/1.8/ubygems.rb cp gem C:/Users/brian/AppData/Local/Temp/gem install -c -m 0755 C:/Users/brian/AppData/Local/Temp/gem C:/Ruby/bin/gem rm C:/Users/brian/AppData/Local/Temp/gem install -c -m 0755 C:/Users/brian/AppData/Local/Temp/gem.bat C:/Ruby/bin/gem.bat rm C:/Users/brian/AppData/Local/Temp/gem.bat Removing old RubyGems RDoc and ri Installing rubygems-1.3.0 ri into C:/Ruby/lib/ruby/gems/1.8/doc/rubygems-1.3.0/ri ./lib/rubygems.rb:713:in `set_paths': undefined method `uid' for nil:NilClass (NoMethodError)         from ./lib/rubygems.rb:711:in `each'         from ./lib/rubygems.rb:711:in `set_paths'         from ./lib/rubygems.rb:518:in `path'         from ./lib/rubygems/source_index.rb:66:in `installed_spec_directories'         from ./lib/rubygems/source_index.rb:56:in `from_installed_gems'         from ./lib/rubygems.rb:726:in `source_index'         from ./lib/rubygems.rb:138:in `activate'         from ./lib/rubygems.rb:49:in `gem'         from setup.rb:279:in `run_rdoc'         from setup.rb:296  C:\rubygems-1.3.0>

I have Ruby 1.8.6 installed on my laptop running Windows Vista.

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1 Answer

  1. I assume you’re not trying to install under cygwin; that install is meant for unix-like operating systems. Edit: (Actually, from the log above it looks like there is some Windows-specific stuff being run… perhaps you’re running into a UAC protection issue?)

    If you just use the Windows ruby one-click installer, it includes rubygems. If you’re not getting the rubygems functionality, you may need to require 'rubygems' in your script, or add -rubygems to your RUBYOPT environment variable. (You can also require rubygems from the command line with ruby -rubygems myscript.rb.

    Are you trying to install it separately for some other reason?

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