Issue new installation

Hi Guys

It tried to install several times virtualmin on a new server and receive always the following error:

Installing Webmin [ERROR] Failed with error: 100 [ ✘ ]

[ERROR] Something went wrong. Exiting.
[ERROR] The last few log entries were:
Hit:9 http://de.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:10 http://de.archive.ubuntu.com/ubuntu xenial-backports InRelease
Err:11 http://download.webmin.com/download/repository sarge InRelease
Could not connect to download.webmin.com:80 (108.60.199.109), connection timed out
Fetched 113 kB in 2min 0s (938 B/s)
Reading package lists…
W: Failed to fetch http://download.webmin.com/download/repository/dists/sarge/InRelease Could not connect to download.webmin.com:80 (108.60.199.109), connection timed out
W: Some index files failed to download. They have been ignored, or old ones used instead.
Updating apt metadata: Success.
[2017-10-26 15:30:20 CEST] [DEBUG] Phase 2 of 3: Installation
Spin pid is: 11077
E: dpkg was interrupted, you must manually run ‘sudo dpkg --configure -a’ to correct the problem.
Installing Webmin: [2017-10-26 15:30:20 CEST] [ERROR] Failed with error: 100
[2017-10-26 15:30:20 CEST] [ERROR] Something went wrong. Exiting.
[2017-10-26 15:30:20 CEST] [ERROR] The last few log entries were:

Internet connection is available … I tried also to install webmin only (via APT) and received also this error.

Best Regards
Dominique

Hello
I am also getting a similar error as follows:

[INFO] Started installation log in /root/virtualmin-install.log

▣□□ Phase 1 of 3: Setup
Enabling PHP 7 PPA [ :heavy_check_mark: ]
Downloading repository metadata [ERROR] Failed with error: 100
[ ✘ ]

[ERROR] Something went wrong. Exiting.
[ERROR] The last few log entries were:
Ign http://ppa.launchpad.net trusty/main Translation-en_US
Ign http://ppa.launchpad.net trusty/main Translation-en
Ign http://ppa.launchpad.net trusty/main Translation-en_US
Ign http://ppa.launchpad.net trusty/main Translation-en
Fetched 3,151 kB in 22s (137 kB/s)
W: GPG error: http://software.virtualmin.com virtualmin-trusty InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY D9F9010760D62A6B
W: GPG error: http://software.virtualmin.com virtualmin-universal InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY D9F9010760D62A6B

E: Some index files failed to download. They have been ignored, or old ones used instead.
Downloading repository metadata: [2018-03-13 09:10:35 EDT] [ERROR] Failed with error: 100
[2018-03-13 09:10:35 EDT] [ERROR] Something went wrong. Exiting.
[2018-03-13 09:10:35 EDT] [ERROR] The last few log entries were:
for me both eth0 and eth1 are connected and no active firewall known of or installed