When you try to upgrade the audio driver in Device Manager after you upgrade Microsoft Windows XP to Microsoft Windows Vista, you receive the following error message:

This device cannot find enough free resources that it can use. (Code 12)
If you want to use this device, you will need to disable one of the other devices on this system.
The device instance does not exist in the hardware tree.

You experience this problem if the following conditions are true:

• You try to upgrade a Crystal SoundFusion CS4281 Windows Driver Model (WDM) audio device.
• You try to upgrade the device driver by using a Windows XP version of the device driver.