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#11
FYI:
You might be able to remove all "ghosted devices" using Ghostbuster. Currently I don't have it installed.
See a few screenshots here.
Driver cleanup Solved - Windows 7 Help Forums
From memory it's possible to select to remove all ghosted devices. However if they don't show up as ghosted then you'd have to multiple select items and add them to the removal list.
Download GhostBuster - MajorGeeks