sudo apt-get remove xrdp
sudo apt-get remove --auto-remove xrdp
sudo apt-get purge xrdp
sudo apt-get purge --auto-remove xrdp

sudo apt-get install xrdp

● xrdp.service - xrdp daemon
   Loaded: loaded (/lib/systemd/system/xrdp.service; enabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: man:xrdp(8)
           man:xrdp.ini(5)

Oct 19 17:06:15 iomad-test systemd[1]: Dependency failed for xrdp daemon.
Oct 19 17:06:15 iomad-test systemd[1]: xrdp.service: Job xrdp.service/start failed with result 'dependency'.
Oct 19 17:07:27 iomad-test systemd[1]: Dependency failed for xrdp daemon.
Oct 19 17:07:27 iomad-test systemd[1]: xrdp.service: Job xrdp.service/start failed with result 'dependency'.
Oct 19 17:10:09 iomad-test systemd[1]: Stopped xrdp daemon.
Oct 19 17:11:46 iomad-test systemd[1]: Dependency failed for xrdp daemon.
Oct 19 17:11:46 iomad-test systemd[1]: xrdp.service: Job xrdp.service/start failed with result 'dependency'.
Oct 19 17:16:19 iomad-test systemd[1]: Dependency failed for xrdp daemon.
Oct 19 17:16:19 iomad-test systemd[1]: xrdp.service: Job xrdp.service/start failed with result 'dependency'.
dpkg: error processing package xrdp (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 xrdp