Thanks for your bugreport.
Those are leftovers from early apport/kernel versions. Just delete them,
this shouldn't be happening anymore (but please reopen if the timestamps
of the core files are very recent (within the last 10 days)).
** Changed in: Ubuntu
Status: Unconfirmed => Fix Relea
Those are core files. They are produced when a program SEGFAULTs. This
is not a bug, although the contents of the core files may indicate a bug
in whatever program produced it.
--
Files appearing in home folder corex
https://launchpad.net/bugs/64292
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** Attachment added: "gedit response to opening a core file"
http://librarian.launchpad.net/4685327/gedit.png
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Files appearing in home folder corex
https://launchpad.net/bugs/64292
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** Attachment added: "core files shown here"
http://librarian.launchpad.net/4685326/core.png
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Files appearing in home folder corex
https://launchpad.net/bugs/64292
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