On May 27, 11:48 ¨Âí¬ ÔáíéÒáíáóí¼ôòáíáóáíù®®®Àçíáéì®ãïí¾ ÷òïôåº > Thanks Roderick!! > Finally i switched to cygwin platform on DOS. though, I am facing some > issues, i can have them working in few days!! thanks for your answer. > Why you don't switch to MinGW based Ruby? That is going to be the replacement for VC6 version: http://blog.mmediasys.com/2009/05/05/rubyinstaller-state-of-one-click/ http://blog.mmediasys.com/2009/05/17/rubyinstaller-updated-packages-and-other-news/ Download 7zip packages, including the developer kit and follow the instructions. Then update rb-readline: http://blog.mmediasys.com/2009/05/19/pure-ruby-readline-released-012/ You can get rcov compiled just by gem install :-) HTH, -- Luis Lavena