[Bug 425045] Re: grub 2 install unsuccesful and now can't run update manager

[Rolf Leggewie]

We are closing this bug report because it lacks the information we need
to investigate the problem, as described in the previous comments.
Please reopen it if you can give us the missing information, and don't
hesitate to submit bug reports in the future. To reopen the bug report
you can click on the current status, under the Status column, and change
the Status back to "New". Thanks again!

** Changed in: grub2 (Ubuntu)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/425045

Title:
  grub 2 install unsuccesful and now can't run update manager

Status in “grub2” package in Ubuntu:
  Invalid

Bug description:
  can't run synaptic or update manager after trying to upgrade to grub 2.  New message reading can't lock device because either apt-get or aptitude is running please close program.  here is the following message I get when trying to run either program :E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. 
  E: _cache->open() failed, please report.   when attempting to run that very command then the first message comes up.

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