The issuer of this certificate is invalid

Source: Internet
Author: User

1. Description of the problem

2. Workaround

    1. Download Https://developer.apple.com/certificationauthority/AppleWWDRCA.cer, and install.
    2. Select login in the keychains, then click Certificates, in this screen, select the toolbar view---Show Expired certificates, you will find an outdated "WWDR Certificate" (Apple Worldwide Developer Relations Certification authority), delete it.
    3. This expired "WWDR Certificate" is also removed from the system column.
    4. When your certificate status has been changed from "This certificate have an invalid issuer" (the issuer of this certificate is invalid) to "This certificate is valid", then the problem is resolved

The issuer of this certificate is not valid

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