v4.0 [Sep 12, 2012]
- Fix installer error 1320 - the specified path is too long
- Driver will now refuse to start if a corrupted disk image is found at startup, preserving the backup file for manual recovery
- Added missing device driver event log messages for better diagnostics
- Fix a blue screen failure on shutdown on some multiprocessor systems
- Fix WMI error reported on 64-bit XP
