Thanks for reporting this Please can you try the following commands, to check if that helps?
sudo apt-get clean -f sudo dpkg --configure -a sudo apt-get update sudo apt-get upgrade sudo apt-get install --reinstall nmap ** Changed in: nmap (Ubuntu) Status: New => Confirmed ** Changed in: nmap (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to nmap in Ubuntu. https://bugs.launchpad.net/bugs/1261441 Title: package nmap (not installed) failed to install/upgrade: Versuch, »/usr/share/man/man1/nping.1.gz« zu überschreiben, welches auch in Paket nping 0.6.40-2 ist To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nmap/+bug/1261441/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs