You may download the Apple iPod fix here.
The fix is described as follows (from Ms description):
Install this update to resolve an issue where an Apple iPod may be corrupted by using the Safely Remove Hardware feature on a system running Windows Vista. After you install this item, you may have to restart your computer.
This update is provided to you and licensed under the Windows Vista License Terms.
Microsoft says that iTunes is a great product and is important that Windows Vista users would have no problems with it.
