Check gem update
C:\Users\UserName>gem update --system
Latest version currently installed. Aborting.
gem list
C:\Users\UserName>gem list
*** LOCAL GEMS ***
bigdecimal (1.2.0)
bootstrap-sass (3.2.0.2)
chunky_png (1.3.1)
compass (1.0.1, 0.12.7)
compass-core (1.0.1)
compass-import-once (1.0.5)
ffi (1.9.3 x64-mingw32)
fssm (0.2.10)
hologram (1.2.0)
io-console (0.4.2)
json (1.7.7)
kramdown (1.4.1, 1.4.0)
minitest (4.3.2)
multi_json (1.10.1)
psych (2.0.0)
rake (0.9.6)
rb-fsevent (0.9.4)
rb-inotify (0.9.5)
rdoc (4.0.0)
redcarpet (3.1.2)
rouge (1.6.2)
rubygems-update (2.4.1)
sass (3.4.3, 3.2.19)
test-unit (2.0.0.0)
install bundler
C:\Users\UserName>gem install bundler
Fetching: bundler-1.7.2.gem (100%)
Successfully installed bundler-1.7.2
Parsing documentation for bundler-1.7.2
Installing ri documentation for bundler-1.7.2
1 gem installed
gem list
C:\Users\UserName>gem list
*** LOCAL GEMS ***
bigdecimal (1.2.0)
bootstrap-sass (3.2.0.2)
bundler (1.7.2)
chunky_png (1.3.1)
compass (1.0.1, 0.12.7)
compass-core (1.0.1)
compass-import-once (1.0.5)
ffi (1.9.3 x64-mingw32)
fssm (0.2.10)
hologram (1.2.0)
io-console (0.4.2)
json (1.7.7)
kramdown (1.4.1, 1.4.0)
minitest (4.3.2)
multi_json (1.10.1)
psych (2.0.0)
rake (0.9.6)
rb-fsevent (0.9.4)
rb-inotify (0.9.5)
rdoc (4.0.0)
redcarpet (3.1.2)
rouge (1.6.2)
rubygems-update (2.4.1)
sass (3.4.3, 3.2.19)
test-unit (2.0.0.0)