Process Monitor is an advanced monitoring tool for Windows that shows real-time file system, Registry and process/thread activity. It combines the features of two legacy Sysinternals utilities, Filemon and Regmon, and adds an extensive list of enhancements including rich and non-destructive filtering, comprehensive event properties such session IDs and user names, reliable process information, full thread stacks with integrated symbol support for each operation, simultaneous logging to a file, and much more. Its uniquely powerful features will make Process Monitor a core utility in your system troubleshooting and malware hunting toolkit.

Process Monitor includes powerful monitoring and filtering capabilities, including:

More data captured for operation input and output parameters
Non-destructive filters allow you to set filters without losing data
Capture of thread stacks for each operation make it possible in many cases to identify the root cause of an operation