Did some updates on  9/21 to a newer kernel 5.3.18-150300.59.93-default. 
Previous kernel was 5.3.18-150300.59.90-default.


Now the backup application "backintime" (which was running nicely for many
months) suddenly will not launch.

Back In Time
Version: 1.2.1

Back In Time comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions; type `backintime --license' for details.

Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/dbus/bus.py", line 177, in
activate_name_owner
    return self.get_name_owner(bus_name)
  File "/usr/lib/python3.6/site-packages/dbus/bus.py", line 363, in
get_name_owner
    's', (bus_name,), **keywords)
  File "/usr/lib/python3.6/site-packages/dbus/connection.py", line 653, in
call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NameHasNoOwner: Could
not get owner of name 'net.launchpad.backintime.serviceHelper': no such name

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/share/backintime/qt/app.py", line 1592, in <module>
    cfg = backintime.startApp('backintime-qt')
  File "/usr/share/backintime/common/backintime.py", line 521, in startApp
    return getConfig(args, False)
  File "/usr/share/backintime/common/backintime.py", line 669, in getConfig
    cfg = config.Config(config_path = args.config, data_path = args.share_path)
  File "/usr/share/backintime/common/config.py", line 279, in __init__
    self.setupUdev = tools.SetupUdev()
  File "/usr/share/backintime/common/tools.py", line 1715, in __init__
    conn = bus.get_object(SetupUdev.CONNECTION, SetupUdev.OBJECT)
  File "/usr/lib/python3.6/site-packages/dbus/bus.py", line 243, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib/python3.6/site-packages/dbus/proxies.py", line 250, in
__init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib/python3.6/site-packages/dbus/bus.py", line 182, in
activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib/python3.6/site-packages/dbus/bus.py", line 280, in
start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib/python3.6/site-packages/dbus/connection.py", line 653, in
call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ExecFailed:
Failed to execute program net.launchpad.backintime.serviceHelper: Permission
denied



I have tried several "fixes".  None seem to work.