Preparing to unpack .../unattended-upgrades_0.90ubuntu0.8_all.deb ...
Unpacking unattended-upgrades (0.90ubuntu0.8) over (0.90ubuntu0.7) ...
Preparing to unpack .../python3.5-venv_3.5.2-2ubuntu0~16.04.3_amd64.deb ...
Unpacking python3.5-venv (3.5.2-2ubuntu0~16.04.3) over (3.5.2-2ubuntu0~16.04.2) ...
Preparing to unpack .../python3.5-dev_3.5.2-2ubuntu0~16.04.3_amd64.deb ...
Unpacking python3.5-dev (3.5.2-2ubuntu0~16.04.3) over (3.5.2-2ubuntu0~16.04.2) ...
Preparing to unpack .../libpython3.5-dev_3.5.2-2ubuntu0~16.04.3_amd64.deb ...
Unpacking libpython3.5-dev:amd64 (3.5.2-2ubuntu0~16.04.3) over (3.5.2-2ubuntu0~16.04.2) ...
Preparing to unpack .../libpython3.5_3.5.2-2ubuntu0~16.04.3_amd64.deb ...
Unpacking libpython3.5:amd64 (3.5.2-2ubuntu0~16.04.3) over (3.5.2-2ubuntu0~16.04.2) ...
Preparing to unpack .../python3.5_3.5.2-2ubuntu0~16.04.3_amd64.deb ...
Unpacking python3.5 (3.5.2-2ubuntu0~16.04.3) over (3.5.2-2ubuntu0~16.04.2) ...
Preparing to unpack .../libpython3.5-stdlib_3.5.2-2ubuntu0~16.04.3_amd64.deb ...
Unpacking libpython3.5-stdlib:amd64 (3.5.2-2ubuntu0~16.04.3) over (3.5.2-2ubuntu0~16.04.2) ...
Preparing to unpack .../python3.5-minimal_3.5.2-2ubuntu0~16.04.3_amd64.deb ...
Unpacking python3.5-minimal (3.5.2-2ubuntu0~16.04.3) over (3.5.2-2ubuntu0~16.04.2) ...
Preparing to unpack .../libpython3.5-minimal_3.5.2-2ubuntu0~16.04.3_amd64.deb ...
Unpacking libpython3.5-minimal:amd64 (3.5.2-2ubuntu0~16.04.3) over (3.5.2-2ubuntu0~16.04.2) ...
Preparing to unpack .../ca-certificates_20170717~16.04.1_all.deb ...
Unpacking ca-certificates (20170717~16.04.1) over (20160104ubuntu1) ...
Preparing to unpack .../libnss3-nssdb_2%3a3.28.4-0ubuntu0.16.04.3_all.deb ...
Unpacking libnss3-nssdb (2:3.28.4-0ubuntu0.16.04.3) over (2:3.28.4-0ubuntu0.16.04.2) ...
Preparing to unpack .../libnss3-1d_2%3a3.28.4-0ubuntu0.16.04.3_amd64.deb ...
Unpacking libnss3-1d:amd64 (2:3.28.4-0ubuntu0.16.04.3) over (2:3.28.4-0ubuntu0.16.04.2) ...
Preparing to unpack .../libnss3_2%3a3.28.4-0ubuntu0.16.04.3_amd64.deb ...
Unpacking libnss3:amd64 (2:3.28.4-0ubuntu0.16.04.3) over (2:3.28.4-0ubuntu0.16.04.2) ...
Preparing to unpack .../google-chrome-stable_61.0.3163.100-1_amd64.deb ...
Unpacking google-chrome-stable (61.0.3163.100-1) over (61.0.3163.91-1) ...
Preparing to unpack .../virtualbox-ext-pack_5.0.40-0ubuntu1.16.04.1_all.deb ...
WARNING: The character device /dev/vboxdrv does not exist.
	 Please install the virtualbox-dkms package and the appropriate
	 headers, most likely linux-headers-generic.

	 You will not be able to start VMs until this problem is fixed.
0%...
Progress state: NS_ERROR_FAILURE
VBoxManage: error: Failed to uninstall "Oracle VM VirtualBox Extension Pack"
VBoxManage: error: The installer failed with exit code 1: VBoxExtPackHelperApp: error: World writable: '/usr'
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ExtPackManagerWrap, interface IExtPackManager
VBoxManage: error: Context: "RTEXITCODE handleExtPack(HandlerArg*)" at line 1242 of file VBoxManageMisc.cpp
dpkg: warning: subprocess old pre-removal script returned error exit status 1
dpkg: trying script from the new package instead ...
WARNING: The character device /dev/vboxdrv does not exist.
	 Please install the virtualbox-dkms package and the appropriate
	 headers, most likely linux-headers-generic.

	 You will not be able to start VMs until this problem is fixed.
0%...
Progress state: NS_ERROR_FAILURE
VBoxManage: error: Failed to uninstall "Oracle VM VirtualBox Extension Pack"
VBoxManage: error: The installer failed with exit code 1: VBoxExtPackHelperApp: error: World writable: '/usr'
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ExtPackManagerWrap, interface IExtPackManager
VBoxManage: error: Context: "RTEXITCODE handleExtPack(HandlerArg*)" at line 1242 of file VBoxManageMisc.cpp
dpkg: error processing archive /var/cache/apt/archives/virtualbox-ext-pack_5.0.40-0ubuntu1.16.04.1_all.deb (--unpack):
 subprocess new pre-removal script returned error exit status 1