after upgrading Ubuntu 10.04 kernel to 2.6.32-25 version some UbuntuTweak features failed to start.

[Alexander Aen Markevitch]

Linux aen-laptop 2.6.32-25-generic #45-Ubuntu SMP Sat Oct 16 19:48:22 UTC 2010 i686 GNU/Linux
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Samsung R-528
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aen@aen-laptop:~$ ubuntu-tweak
ERROR:dbus.proxies:Introspect error on :1.91:/com/ubuntu_tweak/daemon: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.AccessDenied: Rejected send message, 1 matched rules; type="method_call", sender=":1.90" (uid=1000 pid=4007 comm="/usr/bin/python) interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply=0 destination=":1.91" (uid=0 pid=4017 comm="/usr/bin/python))
[PackageWorker][ERROR] Error happened when get_cache(): E:Не удалось открыть файл /var/cache/apt/srcpkgcache.bin - open (13: Отказано в доступе), E:Списки пакетов или status-файл не могут быть открыты или прочитаны. (package.py:204)
ERROR:PackageWorker:Error happened when get_cache(): E:Не удалось открыть файл /var/cache/apt/srcpkgcache.bin - open (13: Отказано в доступе), E:Списки пакетов или status-файл не могут быть открыты или прочитаны.

[Ding Zhou (tualatrix)]

Have you tried to update the system?

Try to run apt-get:

   sudo apt-get update

Then run Ubuntu Tweak again.

[J. Austin Rodriguez (jeanaustinr)]

Thank you for taking the time to report this issue and helping to make Ubuntu better. Examining the information you have given us, this does not appear to be a bug report so we are closing it and converting it to a question in the support tracker. We understand the difficulties you are facing, but it would make more sense to raise problems you are having in the support tracker at https://answers.launchpad.net/ubuntu if you are uncertain if they are bugs. For help on reporting bugs, see https://help.ubuntu.com/community/ReportingBugs.