A possible software security issue may have been the reason why support for the desktop gadget feature has been removed in current but unreleased builds of Windows 8.
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Newly leaked screenshots from an unreleased build of Windows 8 reportedly shows that desktop gadget support won't be a part of the OS when it launches later this fall.
Horloger is a standalone gadget that puts a great looking clock on your Windows 7 and Windows Vista desktop. it comes in 2 sizes, 4 styles, many different languages and works on both 32- and 64 bit