Please first check the Windows degugging configuration guide as it presents fundamental settings and tools for effective problems troubleshooting on Windows.
This guide describes ways of troubleshooting various problems in .NET applications, such as high CPU usage, memory leaks, network issues, etc.
This guide describes ways of troubleshooting various problems in native applications on Windows, such as high CPU usage, hangs, abnormal terminations, etc.
A guide presenting troubleshooting techniques and tools (including the comon extension) useful for debugging COM objects.
My field notes describing usage of WinDbg and WinDbgX (new WinDbg).
In this guide, you will find information how to collect and analyze Time Travel Debugging traces.
This guide describes how to collect and analyze ETW traces.
The guide presents how to query Windows Performance Counters and analyze the collected data.
This guide lists various network tools you may use to diagnose connectivity problems and collect network traces on Windows and Linux.