After an update (kernel and virtualmin packages) when I try to “Checking Configuration” I got:
The feature Webmin login cannot be disabled, as it is used by the following virtual servers :
…
list of some virtual servers…
…
can you help ?!
L.
Did you by chance attempt disabling the “Webmin” feature in System Settings -> Features and Plugins?
You may want to go in there and make sure that feature is still checked.
-Eric