Hi I have installed espresso 6.0 on cygwin (windows8.1). PWGUI6.0 is working fine but not unable to launch xcrysden through pwgui. This option is inactive i.e. faded. Kindly help -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.quantum-espresso.org/pipermail/users/attachments/20161112/f0fb4a8c/attachment.html>