I loaded the Logos 4 installed from a 2009 disk which I had. My machine is Windows 7 Home Premium SP1, 64-bit, with 6 GB of RAM installed.
I logged into my account, watched as my library was prepared, and then "initial indexing" started even as 4.1 GB of updates were being downloaded. Logos stopped with this message:

I ran the compatibility troubleshooter which recommended these settings:

The program continues to crash. Any suggestions would be welcome. I am continuing the download of updates, just in case there is something in there which will help. Thanks.
Kent