The file was a ghost. A digital skeleton key.
You're looking for information on the Microsoft Root Certificate Authority 2011 certificate, specifically a feature related to it. microsoft root certificate authority 2011.cer
If you have found this file on your computer or downloaded it to fix an error, here is how to install it into your Windows Trust Store: The file was a ghost
When Windows Update downloads the root certificate, it may be temporarily stored in: %ProgramData%\Microsoft\Crypto\RSA\MachineKeys or as part of the store. Note: You should not manually delete files from these folders. microsoft root certificate authority 2011.cer
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