Trying to troubleshoot a Windows problem can often be like trying to find a stray key in the Registry. What you need is a tool that can monitor the user's PC for errors and keep a detailed history of any problems that occur.

In Windows 7, that tool is called Reliability Monitor. Vista pros may remember it as Reliability and Performance Monitor, but it's evolved into a standalone utility.

The How-To Geek provides a step-by-step look at troubleshooting Windows problems with Reliability Monitor--everything from finding and starting the tool (it's surprisingly well-hidden in the OS) to using it to determine where and when crashes occurred.

Be sure to check out the Stability Index, too, a 1-10 ranking of the system's overall stability.

The Reliability Monitor is a great addition to the IT pro's toolbox; this thorough tutorial provides all the information you'll need to make the most of it.

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