It is a known issue and both Sony and Adobe are aware of it.
Typically DRM'd PDF and ePub will work on the device at the same time it is just ebooks that are sourced from the Public Library that cause the problem. It has been speculated that the problem lies with the time limit that is encoded into the books.
Hopefully Sony will release an update for this but have not said anything to date.
Last edited by grooks; 01-21-2010 at 12:29 PM.
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