Someone please help me out.

[matthew]

these are the messages i am getting:

Only use one package management programme at the the same time.

Method "UpdateSystem" with signature "" on interface "org.freedesktop.PackageKit.Transaction" doesn't exist

E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem.
E: _cache->open() failed, please report.

what do I do? can someone contact me?

[Nick Ellery (nick.ellery)]

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 appreciate 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 .