If you have developer mode enabled, try install deb file from the command line, to get more detailed output. If you dont have developer mode enabled, make sure that you are trying to install N9 Repomirror v0.6.0. If previous version is installed, remove it first.
dpkg -i n9repomirror_0.6.0_armel.deb file /var/lib/dpkg/tmp.ci/digsigsums cannot be opened No digsigsums file Selecting previously deselected package n9repomirror. (Reading database ... 53794 files and directories currently installed.) Unpacking n9repomirror (from n9repomirror_0.6.0_armel.deb) ... Package n9repomirror: File '/var/lib/dpkg/info/n9repomirror.postinst' not in digsigsums -- warning No digsigsums file Setting up n9repomirror (0.6.0) ... Remove all default offline repositories /var/lib/dpkg/info/n9repomirror.postinst: line 4: can't create /etc/apt/sources.list.d/aegis.ssu-keyring-001.list: Permission denied dpkg: error processing n9repomirror (--install): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: n9repomirror aegis-installing n9repomirror (from 'com.nokia.maemo/net.openrepos.harmattan') /home/user/MyDocs/.downloads #