recycle bin

The context menu of the Recycle Bin icon includes a Delete option that lets you delete the icon from the desktop. To prevent anyone from deleting the icon off the desktop, you can hide the Delete option from the context menu.
To hide the Delete option in Vista:

Download the file called Vista_recyclebin_hidedelete.reg from this page [...]

When you first install Vista, all other icons, such as My Computer and Internet Explorer, are hidden. However, the one icon that always appears on the Windows desktop is the Recycle Bin. If you prefer not to have the Recycle Bin on your desktop, you can easily hide it using the steps listed below.
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As with most components in Vista, the Recycle Bin can be customized to suit your personal needs. For example, you can increase the size of the Recycle Bin if you frequently delete files and recover files.
Another way that you can customize the Recycle Bin is by turning off the confirmation dialog box. Each time [...]