i had some strange devices also. do you have a card reader or any other external storage volume attached?
i used discwizard & uninstalled it after i installed the new drive i think if i installed discwizrd again it would happen again
i used devices by type & uninstalled all volumes listed under storage volume
i fixed the problem on my machine by going to device manager, show hidden devices & uninstalling all volumes listed. after 2 restarts the problem...
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