While the folks at Skype do admit to finding a previously unknown bug in their software as the result of last weeks outage, the bulk of the blame seems to be pointed directly at Microsoft and Windows users. In their Skype blog post, What happened on August 16, the company states "On Thursday, 16th August 2007, the Skype peer-to-peer network became unstable and suffered a critical disruption. The disruption was triggered by a massive restart of our users’ computers across the globe within a very short timeframe as they re-booted after receiving a routine set of patches through Windows Update." Shame on us all for wanting to apply those critical updates!