unity-tweak-tool not start

[MTelegin]

unity-tweak-tool not start from unity dock button and from console with this output:

-----------------------------------------------------------
mtelegin@mtelegin-ubuntu:~$ unity-tweak-tool

        Another instance of Unity Tweak Tool seems to be running with
        process id 2284. Switching to the already existing window.

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 175, in activate_name_owner
    return self.get_name_owner(bus_name)
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 361, in get_name_owner
    's', (bus_name,), **keywords)
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name 'org.freyja.utt': no such name

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/unity-tweak-tool", line 72, in <module>
    UnityTweakTool.Application()
  File "/usr/lib/python3/dist-packages/UnityTweakTool/__init__.py", line 78, in __init__
    self.call_running_instance(pageid)
  File "/usr/lib/python3/dist-packages/UnityTweakTool/__init__.py", line 173, in call_running_instance
    service = bus.get_object('org.freyja.utt', '/org/freyja/utt')
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 241, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 248, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 180, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 278, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
-----------------------------------------------------------

it says that unity-tweak-tool already running with process id 2284, but:
-----------------------------------------------------------
mtelegin@mtelegin-ubuntu:~$ ps ax|grep 2284
 2284 ? Sl 2:20 skype
 6888 pts/2 R+ 0:00 grep --color=auto 2284
-----------------------------------------------------------

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: unity-tweak-tool 0.0.4
ProcVersionSignature: Ubuntu 3.8.0-18.28-generic 3.8.6
Uname: Linux 3.8.0-18-generic i686
ApportVersion: 2.9.2-0ubuntu8
Architecture: i386
Date: Fri Apr 19 10:02:23 2013
InstallationDate: Installed on 2013-03-21 (28 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha i386 (20130320)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=ru_RU.UTF-8
 SHELL=/bin/bash
SourcePackage: unity-tweak-tool
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Shine Huang (shine)]

i also have this situation

[edson duarte (edsonduarte1990)]

i too have the same problem.

[Zeppelinlg (zeppelinlg)]

rm ~/.config/unity-tweak-tool/pid.lockfile
resolve the bug

[Andy Barron (andrewlbarron)]

I had this bug after a system crash. Zeppelinlg's solution worked for me.

[J Phani Mahesh (phanimahesh)]

This bug has been fixed in the PPA version.

Please install unity-tweak-tool from our PPA (ppa:freyja-dev/unity-tweak-tool-daily) for the latest version with the fix.

[Launchpad Janitor (janitor)]

This bug was fixed in the package unity-tweak-tool - 0.0.5

---------------
unity-tweak-tool (0.0.5) saucy; urgency=low

  [ J Phani Mahesh ]
  * New upstream release (LP: #1226059)
    - New application icon
    - Show error dialog when schemas are missing instead of crashing
    - Trigger new build of pot files
  * UnityTweakTool/section/unity.py
    - Fix Show recently used and more suggestions in dash search (LP: #1166294)
    - Fix Launcher reveal sensitivity scale update issues (LP: #1168863)
  * UnityTweakTool/elements/colorchooser.py
    - Fix TypeError in get_rgba() (LP: #1165627)
    - Fix segmentation fault on selecting custom launcher (LP: #1190398)
  * UnityTweakTool/elements/option.py
    - Fix "Restore defaults" button (LP: #1186634)
  * UnityTweakTool/__init__.py
    - Fix unity-tweak-tool crashed with dbus.exceptions.DBusException in
    call_blocking() (LP: #1168738)
    - Fix FileNotFoundError (LP: #1225463)
    - Fix dbus.exceptions.DBusException (LP: #1170571)
  * data/unity.ui
    - Remove Panel transparency switch (LP: #1168836)
    - Remove Launcher transparency switch (LP: #1168834)

  [ Barneedhar Vigneshwar ]
  * UnityTweakTool/section/unity.py
    - Fix 'Can't set background blur to static' (LP: #1167343)
    - Fix non-working Launcher only on primary desktop (LP: #1173977)
  * UnityTweakTool/section/sphagetti/compiz.py
    - Fix TypeError in color_to_hash() (LP: #1166884)
 -- Barneedhar Vigneshwar <email address hidden> Mon, 16 Sep 2013 19:34:38 +0530