What steps should I take if cURL error 77 appears after a recent WordPress update?

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Grade: Education Subject: Support
What steps should I take if cURL error 77 appears after a recent WordPress update?
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If cURL error 77 appears after a WordPress update, first, ensure the update completed successfully. Next, flush your site's cache and browser cache. Then, examine your server's PHP configuration, specifically the `curl.cainfo` setting. Verify that the SSL certificate is valid by using an online SSL checker. Finally, check your server's error logs for more specific information on the root cause.