A sanity check on the registry operations is that on typical systems they should take significant time - registry tends to be big. If they aren't taking significant time (a few seconds at least I'd guess), then I suspect you need to manually make a deep copy of the registry structure and compare copies.

Another non-Perl option that may be worth considering is InstallWatch which will catch more than just registry changes, but can take a while to run and need a fair chunk of disk space.

Perl reduces RSI - it saves typing

In reply to Re: Capturing Win32 registry changes made by a software installation by GrandFather
in thread Capturing Win32 registry changes made by a software installation by slloyd

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