Found this on another forum for you to try.
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The Registry is contained in the following 6 files:
In %SystemRoot%\System32\Config\ (e.g. C:\Windows\System32\Config\)
Sam
Security
Software
System
Default
In Documents and Settings\<username>
NTUSER.dat
This freeware will allow you to open these files and "explore" them. You can also export sections or keys in the common .reg file format. You cannot use this program to open the currently active Registry (the one you get when you use regedit), but you can use it to examine a saved or backed-up Registry, or the Registry in another drive (as in a dual-boot setup), or the Registry stored on a drive you have slaved that contains another operating system.
Registry File Viewer
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Hope that can help...