Hello, Just remove the top-level directory (normally called ccpnmr). Well, there is also data in the ~/.ccpn directory for each user, but then again there is data in each project directory, so not sure if you want to remove all that as well. Wayne > On 29 Jan 2016, at 10:51, Gerardo Patrice <[log in to unmask]> wrote: > > hello, > > i want to know how to uninstall ccpnmr properly using centos 5.8 > > thank you