Zend certified PHP/Magento developer

File invisible to many software

I installed the RSAT tools to try to mange some certificates via the standard CA library certadm.dll.

The dll is showing in C:WindowsSystem32 in the windows explorer

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But is invisible in other programs like in everything

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or, more importantly for my use, in Visual Studio 2019 :

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Why is it showing this behavior, and what can I do to make it reapear ?