Have you tried to restart the computer?
1. We may use Microsoft Baseline Security Analyzer tool to scan
Vulnerability again, check what is the result with this tool:
Download link:
https://www.microsoft.com/en-sg/download/details.aspx?id=7558
2. Check installed updates in Windows update, verify if these updates are actually installed on the computer.
3. If these updates are not installed actually, but it indicates they are installed, then check if reset windows update component on the computer could fix the issue:
Reset windows update component:
https://support.microsoft.com/en-us/kb/971058
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