If you would like to try removing Fantastico F3 from your server so that you can try a clean install later, follow these steps:

1. Unregister Fantastico F3 from WHM and cPanel and ensure the icon is removed from older themes:

/usr/local/cpanel/bin/unregister_appconfig /var/cpanel/apps/fantastico_f3_whm.conf

/usr/local/cpanel/bin/unregister_appconfig /var/cpanel/apps/fantastico_f3_cpanel.conf

/usr/local/cpanel/bin/rebuild_sprites --force

2. Remove the Fantastico F3 cron job:

crontab -l -u root | grep -v 'cd /var/netenberg/fantastico_f3/sources' | crontab -u root -

3. Remove Fantastico F3 symbolic links:

rm -f /usr/local/cpanel/whostmgr/docroot/cgi/fantastico_f3

rm -f /usr/local/cpanel/base/frontend/*/fantastico_f3

rm -f /usr/local/cpanel/3rdparty/fantastico_f3

4. Remove Fantastico F3's core files and scripts:

rm -rf /var/netenberg/fantastico_f3

When done, Fantastico F3 should be removed completely. Now you can go HERE to learn how to reinstall Fantastico F3.