See what files/registry keys are being accessed by application in Windows
WindowsDebuggingRegistryWindows Problem Overview
How do I see what files/registry keys are being accessed by my application in Windows?
Windows Solutions
Solution 1 - Windows
Check out Process Monitor at
http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx
Solution 2 - Windows
Microsoft Process Monitor is better at this job. I've tried other tools but they are not as good. And MS is most trustworthy in this case, since it is made by the OS developer anyway
Solution 3 - Windows
I haven't tried it myself but someone should try Regmon and maybe post how it goes.
Solution 4 - Windows
Check out process explorer: http://technet.microsoft.com/de-de/sysinternals/bb896653.aspx