There are some updates to this page that haven't been applied yet because you've entered some data into a form. You can refresh this page to receive new updates. Trying to regain internet connection... Hide this message . Quora Quora is your best source for knowledge. Sign up in seconds. Remember Me Forgot Password? Please confirm your email address. Resend Confirmation Link No account found for this email. Retry, or Sign up for Quora. Incorrect password. Reset Password By logging in you indicate that you have read and agree to the Terms of Service . Dave Baggett 's answer to: Software Engineering : What's the hardest bug you've debugged? View All 100 Answers 3.5k Dave Baggett , Naughty Dog (employee #1), ITA Software (co-founder), inky.com (founder) Naughty Dog (employee #1), ITA Software (co-founder), inky.com (founder) Votes by Kartik Ayyar , Roger Li , Paul Tomblin , Quo...