I spotted some events in a customer’s event logs that said the event source was Bowser and, like many before me, assumed it was a typo that had somehow escaped Microsoft’s eyes all the way into windows 10. Of course, that’s not the case, as explained by Larry Osterman years ago on his MSDN blog: The other day, someone sent an email to an internal mailing list asking about a "typo" in the eventvwr. It seems they noticed a number of events coming from the "bowser" event source, and they were convinced ......