Here is the shell error: C:\ ..........> gem update Updating installed gems Updating fxruby Successfulyy installed fxruby-1.6.16-x86-mswin32-60 Updating haml Successfully installed haml-2.0.2 Updating hpricot Building Native extensions. This could take a while... ERROR: While executing gem.... (Gem::Installer::ExyensionBuildError) ERROR: failed to build gem native extension Path was given to gem.make.out file which reads: C:/Program Files (x86)/ruby/bin/ruby.exe extconf.rb update 'C:/Program' is not recognized as an internal or external command, operable program or batch file. At first glance it seems the update script does not specify path correctly specified for platform. -------------------- Does anyone know how to fix this? David