when installing an app through Ubuntu Software center an "Unhandled Error Occurs" which states "There seems to be a programming error in aptdaemon. This is the software that allows you to install/remove software and to perform other package management related tasks."

[Eric]

when installing an app through Ubuntu Software center an "Unhandled Error Occurs" which states "There seems to be a programming error in aptdaemon. This is the software that allows you to install/remove software and to perform other package management related tasks.". it also shows these details;
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 961, in simulate
    trans.unauthenticated = self._simulate_helper(trans)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 1085, in _simulate_helper
    return depends, self._cache.required_download, \
  File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 226, in required_download
    pm.get_archives(fetcher, self._list, self._records)
SystemError: E:I wasn't able to locate file for the ttf-mscorefonts-installer package. This might mean you need to manually fix this package.

[Eric (surfer-5)]

Had this same error, cant install anything

[Sebastian Heinlein (glatzor)]

Run "sudo dpkg --configure -a" in a terminal