You may have encountered this error several times in ubuntu.Ubuntu has a program called Apport that is responsible for detecting such crashes and upon user consent, report these crashes to developers. But its always annoying for us. To disable the popup first remove the crash files.The apport system creates crash report files in the /var/crash directory. These crash report files cause the error message to appear everytime Ubuntu boots.
sudo rm /var/crash/*
To get rid of the popup permanently disable the Apport system
sudo vim /etc/default/apport
you can see something like this
# set this to 0 to disable apport, or to 1 to enable it # you can temporarily override this with # sudo service apport start force_start=1 enabled=1
Set the value of enabled to 0, and this will disable Apport.
Save the file and close it, then restart Apport
sudo restart apport