Where do the system error reports go?

Solution 1:

The system which intercepts crashes right when they happen the first time is Apport. When a crash happens, you will see something like this:

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A report is written automaticaly in a file *executable_path.uid*.crash in the /var/crash directoty:

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If you want to print one of these reports, you can run in terminal next command:

lpr <executable_path.uid>.crash

More about: https://wiki.ubuntu.com/Apport.