hi everybody , Iam trying to develop a simple gui application by using NetBean6.5 on windows, by using 'tk' library when I tried to load it by using require"tk". it did not contine. * : I installed ActiveTcl on my computer this the error that was happened : C:/Ruby/lib/ruby/1.8/i386-mswin32/tcltklib.so: 126: The specified module could not be found. - C:/Ruby/lib/ruby/1.8/i386-mswin32/tcltklib.so (LoadError) from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' from C:/Ruby/lib/ruby/1.8/tk.rb:7 from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' from C:/Documents and Settings/Yousef/My Documents/NetBeansProjects/RubyApp1/lib/main.rb:4 -- Posted via http://www.ruby-forum.com/.