Overview: In this episode of Defrag Tools, Chad Beeder and Larry Larsen discuss analyzing kernel mode bugchecks (colloquially known as Blue Screens of Death) using WinDbg from the Debugging Tools For Windows. We use these commands: !analyze -v .hh .trap !pte !process !thread .formats .process .thread k ~ .reload Make sure you watch Defrag Tools Episode #1 for instructions on how to get the Debugging Tools for Windows and how to set the required environment variables for symbols and source code resolution.