Cheyne Li wrote: > No, I reinstalled the lib by keying command line gem install > win32-service-0.6.1-x86-mswin32-60.gem. It was sucessfully installed. > > I checked the lib path, it is > "C:\ruby\lib\ruby\gems\1.8\gems\win32-service-0.6.1-x86-mswin32-60\lib\win32"... This will work require 'win32/service' Basically, you have 'lib\win32\service.rb' 'lib\win32\daemon.so' so you can use require 'win32/service' require 'win32/daemon' -- Posted via http://www.ruby-forum.com/.