I N S T A L L - open your file Manager and unpack the Lonnox.tar file - open a Terminal an input: sudo /path/to/LCUT/folder/setupLinux.sh Hint: Most Linux Versions allow it to simply drag the file into the Terminal to add the path. - Start Lonnox CUT from the Linux Applications Menu U N I N S T A L L - open a Terminal an input: sudo /usr/share/lonnox-cut/uninstallLinux.sh T R O U B L E S H O O T I N G - close the Synaptic Package Manager Window if exists. - make sure your internet connection is working so additional packages can be downloaded by the installation process. - make sure the "executable" checkbox of the file attribute of the setupLinux.sh is active. This might have been deactivated if the file was stored on a windows system before.