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What if Windows 8.1SecureBoot is not configured correctly?

After upgrading Windows 8.1, enter the desktop, the lower right corner of the desktop shows "SecureBoot is not properly configured", as shown in the figure:

Update the Windows 8.1 patch (KBKB2902864), the watermark in the lower right corner disappears .
Windows 8.1 32-bit system: http://download.microsoft.com/download/1/7/7/1773F140-5739-4501-A345-D844861F7D4C/Windows8.1-KB2902864-x86.msu
Windows 8.1 64-bit system: http://download.microsoft.com/download/3/9/5/395E7226-B5C2-4BD2-B2F6-B5D82A214F5A/Windows8.1-KB2902864-x64.msu

About Windows8 System Tutorial

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