"SSL certificate problem, verify that the CA cert is OK" ======================================================== This error means that cURL's CA cert bundle on your server is out of date. Recommended: Update Your Server Certificates -------------------------------------------- To fix this problem, update cURL's SSL certificates on your server. Contact your web hosting provider with the request. Read more at `Details on Server SSL Certificates `_. Not Recommended: A Less Secure Workaround ----------------------------------------- Alternately, you can manually edit ThinkUp's application `set cURL to not verify HTTPS connections `_. Anywhere ThinkUp connects to an SSL URL, add the following lines before the `curl_exec` call: :: $opts[CURLOPT_SSL_VERIFYHOST] = false; $opts[CURLOPT_SSL_VERIFYPEER] = false; See also this `mailing list thread about SSL certs `_.