--- title: 'Error: SSL certificate problem, verify that the CA cert is OK' intro: 'This error means your CA root certificate is out of date. If your CA root certificate needs to be updated, you won''t be able to push or pull from {% data variables.product.product_name %} repositories.' redirect_from: - /articles/error-ssl-certificate-problem-verify-that-the-ca-cert-is-ok - /github/authenticating-to-github/error-ssl-certificate-problem-verify-that-the-ca-cert-is-ok versions: fpt: '*' topics: - SSH shortTitle: SSL certificate problem --- The error you receive may look like the following: ```shell $ git push -u github.main > fatal: 'github.main' does not appear to be a git repository > fatal: The remote end hung up unexpectedly $ git pull -u github > error: SSL certificate problem, verify that the CA cert is OK. Details: > error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed while accessing https://github.com/tqisjim/google-oauth.git/info/refs > fatal: HTTP request failed ``` A "CA" is shorthand for a "certificate authority," a third-party group responsible for handling secure connections around the web. They establish digital "certificates," which are a way of ensuring that there are valid connections between two machines (like your computer and GitHub.com). Without a certificate, the security risk between two machines is greater. When you receive this error, it likely means that your CA is out-of-date and needs to be updated. Generally, updating your operating system also updates your CA, and solves the problem.