Thank you for answer.

I try to follow you

sudo dpkg –purge –force-depends “apache2”
dpkg: warning: ignoring request to remove apache2 which isn’t installed

sudo apt-get install -f
Reading package lists… Done
Building dependency tree

Reading state information… Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

sudo apt-get install apache2
Reading package lists… Done
Building dependency tree

Reading state information… Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
apache2 : Depends: apache2-bin (= 2.4.41-1+ubuntu16.04.1+deb.sury.org+5) but it is not installable
E: Unable to correct problems, you have held broken packages.

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and I still can’t not install apache2