Does somebody knows how I can export an error box that my computer shows everyday to a file? I'm running 16.10-64bit and I tried Copying and pasting, but the box allows copying just topic-by-topic. The error I wanna deal with has more than 30 topics!!!! I tried to post an image, but it's not allowed to me. The box has a following message at top: "Sorry, Ubuntu 16.10 has experienced an internal error." Thanks!
Following George hint, I executed this command:
then I found the error messages in /var/log/apport.log.1