Windows 8 Missing Sidebar and Desktop Gadgets in Windows 8: What You Need to Know

It appears that you're referring to the removal of Windows Sidebar and Desktop Gadgets due to security concerns. Microsoft took this action because of the vulnerabilities in Gadgets that could potentially allow remote code execution, as highlighted in the Microsoft Security Advisory (2719662).
This advisory led to the discontinuation of Windows Sidebar and Desktop Gadgets starting from Windows 8 and potentially in previous operating systems that supported them. The decision aimed to enhance the overall security of the operating system ecosystem by mitigating the risks associated with these vulnerabilities.
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