Yes. It's because the shell sniffs the folder contents unnecessarily for special folders and drives. The solution (written for XP) is here, by Keith Miller:
Common Tasks Don’t Match Folder Type
http://www.kellys-korner-xp.com/xp_common_tasks.htm
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Regards,
Ramesh Srinivasan, Microsoft MVP [Windows XP Shell/User]
Windows® XP Troubleshooting
http://www.winhelponline.com
"Alice" <Alice@discussions.microsoft.com> wrote in message news:4E9F3CE0-D477-47F9-9D6A-B2C9CFEE59F3@microsoft.com...
Well, I've never had that problem to the same extent as now in Vista. I am
looking forward to that program. Is it a registry problem?