Hi, Since you downloaded the source and built it (download source/configure/make) you should not have to go thorough setup.exe to uninstall MPICH2. If you had installed a package via the cygwin package manager use it to uninstall it too. Regards, Jayesh ----- Original Message ----- From: "Angelo Paone" <[email protected]> To: [email protected] Sent: Wednesday, February 20, 2013 10:41:58 PM Subject: [mpich-discuss] uninstall mpich2-1.2.1p1 from cygwin Dear MPICH mailing list, I have installed the following version of MPICH2 V. 1.2.1p1 downloading and unzipping the package mpich2-1.2.1p1.tar.gz in cygwin, now I would like to uninstall it, I undenstand that in cygwin the single packake are uninstalled using the setup.exe command, but for MPICH package, I can not use this method, should I use the remove command?? Any help will greatly appreciated!!! Best wishes Angelo Angelo Paone *********************************************** Research Professor Post-Doctoral Research Fellow Marie Curie Fellow PhD, MSc, BSc Pusan Natioanl University Department of Earth Science 30, Jangjeon-dong, Geumjeong-gu Busan, Republic of Korea Tel. +82-51-510-2987 _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss