The Resource Monitor is a Windows system tool that allows you to view information about the use of hardware (CPU, memory, disk, and network) and software (file handles and modules) resources in real time. As for the basic functionality it is quite similar to Windows Task Manager but Windows Resource Monitor can help you track down the cause of application hangs.
Software crashes do happen but how many times we manage to get a clue of the root problem! And such crashes can be really annoying if they happen too frequently. Windows 7 Resource Monitor includes a feature that may help you with the troubleshooting of software problems. To start Resource Monitor (resmon):