Ubuntu will automatically launch a CD burning tool when you insert a blank data cd or dvd. This can sometimes interfere with something else you are doing right at that moment.

To disable this, navigate to System \ Preferences \ Removable Drives and Media:

Uncheck the box, and you will no longer autoplay blank discs.

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Lowell is the founder and CEO of How-To Geek. He’s been running the show since creating the site back in 2006. Over the last decade, Lowell has personally written more than 1000 articles which have been viewed by over 250 million people.
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