Infos: Fresh Kali Installation Done all Steps in this Howto: https://kb.parallels.com/en/123968 and i'm still unable to install the Paralells Tools Error Message / An Error occured while installing the following packages: linux-headers-4.18.0-kali2-amd64 printer-driver-postscript-hp In the howto i mentioned above it seems that i have already installed the linux headers and the printer drivers, need help! Output from /var/log/parallels-tools-install.log Parallels Tools 14.1.2-45479 Installer started. 2019-03-12T11:39:52+0100: Failed to setup console printk level. 2019-03-12T11:39:55+0100: Exiting with code 0 Started installation of Parallels Guest Tools version '18.104.22.168479' Err:1 https://repo.kali.org/kali kali-rolling InRelease Could not connect to repo.kali.org:443 (22.214.171.124). - connect (111: Connection refused) Hit:2 http://ftp.halifax.rwth-aachen.de/kali kali-rolling InRelease Reading package lists... W: Failed to fetch https://repo.kali.org/kali/dists/kali-rolling/InRelease Could not connect to repo.k ali.org:443 (126.96.36.199). - connect (111: Connection refused) W: Some index files failed to download. They have been ignored, or old ones used instead. Return code from apt-get update is 0 E: Unable to locate package linux-headers-4.18.0-kali2-amd64 E: Couldn't find any package by glob 'linux-headers-4.18.0-kali2-amd64' E: Couldn't find any package by regex 'linux-headers-4.18.0-kali2-amd64' m linux-headers-4.18.0-kali2-amd64 o printer-driver-postscript-hp Error: failed to install mandatory packages. Error: failed to install or upgrade Parallels Guest Tools! I really dont get why it is such a task to install paralells tools to Kali, if i would have known that beforehand i would have used vmware or even the free software like virtualbox. note: WOW 4h later and still no word from the paralells support.....amazing...NOT.