Update Root Certificates

Microsoft products come with a set of certificate authorities (CAs) that Microsoft deems trustworthy. If a certificate originated from an untrusted CA, the user is prompted with the option to establish trust with that CA. Often, users aren’t knowledgeable about the subject matter. Update Root Certificates lessens the burden by updating the system’s lists of trusted CAs by contacting the Windows Update Web site. This option is automatically selected in default installations.

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