Issue #1313 has been updated by Luis Lavena. You need to obtain the exact version of DLLs, follow these instructions: http://www.garbagecollect.jp/ruby/mswin32/en/documents/install.html Since the release is this one: http://www.garbagecollect.jp/ruby/mswin32/en/download/release.html ---------------------------------------- http://redmine.ruby-lang.org/issues/show/1313 ---------------------------------------- http://redmine.ruby-lang.org