From: Luis Lavena Date: 2009-12-26T00:25:21+09:00 Subject: Re: Dir.chdir does not work on windows (xp) Looks like you're using cygwin paths for a non-cygwin version of Ruby. Mismatch those is not good, and that would be the reason you can chdir properly. First check your ruby version (ruby -v) if it says "mswin32" or "mingw32", you should use drive letters. --- frmsrcurl: http://compgroups.net/comp.lang.ruby/Dir.chdir-does-not-work-on-windows-xp