This is quite subtle, but after starting pwrtools, if the first tool i choose is "Registry Manager" the "Starting programs" tab is empty and it does not automatically attempt to retrieve the appropriate fields. If i click another tab, that gets populated. When i go back to the "Starting programs" tab, it now gets populated. If i had ran "Software Manager" tool before using the "Registry Manager" tool, then the "Starting programs" tab would also populate properly.
So the only time that it does not populate is if "Registry Manager" is the first tool chosen. I tried this with "Start Menu Fixer" and "History/MRU cleaner" as the intial tools used, and it would also work fine.
As i said, this is quite subtle, but it does this consistently for me.