[evdberg]

Originally Posted by hansl

I installed Windows XP Professional (about 30 Euros) on a Virtualbox for old games and the old Sony Reader software on my Windows 7 PC. This worked out fine for accessing the books on the internal memory of my PRS-500.

Thanks for the suggestion! I installed Calibre 0.6.29 on my Windows 7 setup on Virtual Box, and now I can also again access the internal memory of my PRS-500. The 96MB is more than enough for my needs, I usually only read 1 book at a time anyway.