The driver detected that the device \Device\Harddisk0\DR0 has its write cache enabled. Data corruption may occur.
This message was logged on laptop running Vista after enabled "Advanced Performance". To enable advanced performance:
1. Open "Computer Management"
2. Right-Click "Disk Management"
3. Select the "Policies" tab
4. Check "Enable advanced performance"
Keep in mind that this is only recommended for computers that have a backup power supply, such as laptops and desktop computers with a UPS.