Update WAMP/Apache to use new cacert.pem
If you're running at least php 5.3.7, you can put this in the ini at the end of your php.ini file:
curl.cainfo=c:\path\to\cacert.pemYou'll need to find the specific php.ini file for the version of php one you've selected to use.
A comment in the doc's show this: http://php.net/manual/en/function.curl-setopt.php
Here's the doc with the specific setting: http://php.net/manual/en/curl.configuration.php