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Determine changes made to registry

January 6, 2010 by jer0dh

This helps to determine how an install changes the registry.  Most of the time I’ll just export out a portion of the registry, but in this example, I’m exporting out the whole registry.


regedit /e before.reg

Then install the program and then run the following


regedit /e after.reg
fc /u before.reg after.reg >changes.txt

Now open the changes.txt file to view the changes to the registry.

There is also a REG command I’ve not used before but the syntax to compare a section and subkeys of the registry on a machine named FRED with the current machine would be:

REG COMPARE FREDHKLMSoftwareNetSoft . /s

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