I tried to delete unwanted PGs by following the steps in an older thread:
you can delete guides individually.
Run a passage guide with only a "My Content" section. If you add anything else you'll lock up your computer
Run the guide with a range of "gen-rev". This will show you, among other things, all your saved guides.
If you want to delete a guide, open it.
in the resource menu for the guide, select "delete guide".
I only get to "gen-r". The second I hit e it crashes. Repeated a number of times. (Running it with only one Bible book works fine.)
Logs: 7571.Logos4(20110117,00.54).log.zip
No Logos crash log created, and I can't seem to find an Apple one with the same time stamp, but this one seems to be from one of the first crashes, so hopefully it shows roughly the same thing (I did a few things differently then, but the crash occurred the same way): 7220.Logos4Indexer_2011-01-17-002427_deleted (kopia).crash.zip