Is your Laptop running Windows Vista ?
I got my PRS-300 two days ago and straight after installation eLibrary would not run. I had to set it to run in XP Service Pack 2 compatibility mode.
To do this, Right-Click on your shortcut and select properties, then go to "Compatibility", click "Run this Program in compatibility mode for" and from the list choose Windows XP (either SP2 or SP3, both worked for me)
|