Anyone any ideas please?
Resynchronizing package list with command apt-get update ..
Resynchronizing package list with command apt-get update ..
Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Hit:2 http://gb.archive.ubuntu.com/ubuntu xenial InRelease
Get:3 http://gb.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]
Get:4 http://gb.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]
Ign:5 http://software.virtualmin.com/gpl/ubuntu virtualmin-xenial InRelease
Ign:6 http://software.virtualmin.com/gpl/ubuntu virtualmin-universal InRelease
Hit:8 http://software.virtualmin.com/gpl/ubuntu virtualmin-universal Release
Get:7 http://software.virtualmin.com/gpl/ubuntu virtualmin-xenial Release [4741 B]
Get:10 http://software.virtualmin.com/gpl/ubuntu virtualmin-xenial Release.gpg [198 B]
Err:10 http://software.virtualmin.com/gpl/ubuntu virtualmin-xenial Release.gpg The following signatures were invalid: BADSIG E8DD3FA0A0BDBCF9 Virtualmin, Inc. security@virtualmin.com
Fetched 311 kB in 0s (362 kB/s)
Reading package lists...
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://software.virtualmin.com/gpl/ubuntu virtualmin-xenial Release: The following signatures were invalid: BADSIG E8DD3FA0A0BDBCF9 Virtualmin, Inc. security@virtualmin.com
W: Failed to fetch http://software.virtualmin.com/gpl/ubuntu/dists/virtualmin-xenial/Releas... The following signatures were invalid: BADSIG E8DD3FA0A0BDBCF9 Virtualmin, Inc. security@virtualmin.com
W: Some index files failed to download. They have been ignored, or old ones used instead.
.. resynchronization complete.
Upgrading all packages with command apt-get -y -f upgrade ..
Reading package lists...
Building dependency tree...
Reading state information...
Calculating upgrade...
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
.. upgrade complete.
I have the same problem on Debian 8:
Reading package lists... Done
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://software.virtualmin.com virtualmin-jessie Release: The following signatures were invalid: BADSIG E8DD3FA0A0BDBCF9 Virtualmin, Inc. security@virtualmin.com
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://software.virtualmin.com virtualmin-universal Release: The following signatures were invalid: BADSIG E8DD3FA0A0BDBCF9 Virtualmin, Inc. security@virtualmin.com
W: Failed to fetch http://software.virtualmin.com/gpl/debian/dists/virtualmin-jessie/Release
W: Failed to fetch http://software.virtualmin.com/gpl/debian/dists/virtualmin-universal/Rel...
W: Some index files failed to download. They have been ignored, or old ones used instead.