RegSnap is a tool that can help you analyze changes made to the Windows Registry. With it, you can view, explore and compare saved snapshots and learn which keys were modified, deleted, or added. Also, you can analyze other system settings such as a contents of system directories. RegSnap generates HTML based reports and undo/redo .reg files. RegSnap can export and import .REG files, it has easy to use REGEDIT-alike user interface. You can use RegSnap to view and analyze .REG files. RegSnap supports OLE Automation (i.e. RegSnap is scriptable from Visual Basic or any other Automation client). RegSnap can connect to a remote registry and take snapshots from a remote computer.
Free download RegSnap - regsnap.zip