This one really hosed my system. happened last evening. It took quite a while for my desktop to come back. I had Logos open all day, working on it on and off. The last thing I did was click on a Bible Reading plan (Ezekiel, 16 weeks) button I had on my shortcut bar.
Attachments included if they help...
6064.Logos4Crash.txt
6557.Logos4.log