package network-manager 1.2.2-0ubuntu0.16.04.3 failed to install/upgrade: trying to overwrite '/etc/NetworkManager', which is also in package network-manager-pptp 1.1.93-1ubuntu1

[morteza]

just cant install network manager

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: network-manager 1.2.2-0ubuntu0.16.04.3
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Wed Feb 1 19:21:37 2017
DuplicateSignature:
 package:network-manager:1.2.2-0ubuntu0.16.04.3
 Unpacking network-manager (1.2.4-0ubuntu0.16.04.1) over (1.2.2-0ubuntu0.16.04.3) ...
 dpkg: error processing archive /var/cache/apt/archives/network-manager_1.2.4-0ubuntu0.16.04.1_amd64.deb (--unpack):
  trying to overwrite '/etc/NetworkManager', which is also in package network-manager-pptp 1.1.93-1ubuntu1
ErrorMessage: trying to overwrite '/etc/NetworkManager', which is also in package network-manager-pptp 1.1.93-1ubuntu1
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2016-12-13 (49 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
IpRoute:
 default via 192.168.1.1 dev wlo1 proto static metric 600
 192.168.1.0/24 dev wlo1 proto kernel scope link src 192.168.1.108 metric 600
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: network-manager
Title: package network-manager 1.2.2-0ubuntu0.16.04.3 failed to install/upgrade: trying to overwrite '/etc/NetworkManager', which is also in package network-manager-pptp 1.1.93-1ubuntu1
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.NetworkManager.NetworkManager.conf: [deleted]
modified.conffile..etc.NetworkManager.conf.d.default-wifi-powersave-on.conf: [deleted]
modified.conffile..etc.NetworkManager.dispatcher.d.01ifupdown: [deleted]
nmcli-con:
 NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
 TP-LINK-930523 49f7b388-fd1c-4094-abfc-087f4886bbbf 802-11-wireless 1485964157 ‫چهارشنبه ۰۱ فوریه ۱۷، ۱۹:۱۹:۱۷‬ yes 0 no /org/freedesktop/NetworkManager/Settings/1 yes wlo1 activated /org/freedesktop/NetworkManager/ActiveConnection/0
 Wired connection 1 1abb5b9a-61b3-3952-b3d1-f012cc4f7766 802-3-ethernet 1485962659 ‫چهارشنبه ۰۱ فوریه ۱۷، ۱۸:۵۴:۱۹‬ yes 4294966297 no /org/freedesktop/NetworkManager/Settings/0 no -- -- --
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
 wlo1 wifi connected /org/freedesktop/NetworkManager/Devices/0 TP-LINK-930523 49f7b388-fd1c-4094-abfc-087f4886bbbf /org/freedesktop/NetworkManager/ActiveConnection/0
 eno1 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- --
 lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/2 -- -- --
nmcli-nm:
 RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI WWAN-HW WWAN
 running 1.2.2 connected started full enabled enabled enabled enabled enabled