Hi ,

I had selected Apache2  from installation options
but i got given below error message. Please help me to find out the issue.
Thanks

                                                          0 upgraded, 0 newly installed, 0 to remove and 81 not upgraded.
                                                                                                                         1 not fully installed or removed.
           After this operation, 0 B of additional disk space will be used.
                                                                           Setting up nginx-full (1.10.3-0ubuntu0.16.04.2) ...
Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.
invoke-rc.d: initscript nginx, action "start" failed.
* nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Mon 2018-07-09 12:05:16 BST; 10ms ago
  Process: 28542 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=1/FAILURE)
  Process: 28536 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)

Jul 09 12:05:15 Jurisic nginx[28542]: nginx: [emerg] listen() to [::]:80, b...e)
Jul 09 12:05:15 Jurisic nginx[28542]: nginx: [emerg] listen() to 0.0.0.0:80...e)
Jul 09 12:05:15 Jurisic nginx[28542]: nginx: [emerg] listen() to [::]:80, b...e)
Jul 09 12:05:16 Jurisic nginx[28542]: nginx: [emerg] listen() to 0.0.0.0:80...e)
Jul 09 12:05:16 Jurisic nginx[28542]: nginx: [emerg] listen() to [::]:80, b...e)
Jul 09 12:05:16 Jurisic nginx[28542]: nginx: [emerg] still could not bind()
Jul 09 12:05:16 Jurisic systemd[1]: nginx.service: Control process exited, ...=1
Jul 09 12:05:16 Jurisic systemd[1]: Failed to start A high performance web ...r.
Jul 09 12:05:16 Jurisic systemd[1]: nginx.service: Unit entered failed state.
Jul 09 12:05:16 Jurisic systemd[1]: nginx.service: Failed with result 'exit...'.
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: error processing package nginx-full (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
nginx-full
E: Sub-process /usr/bin/dpkg returned an error code (1)
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