error/tool installaddon/err curl exec
Note: You are currently viewing documentation for Moodle 3.3. Up-to-date documentation for the latest stable version of Moodle is probably available here: error/tool installaddon/err curl exec.
This suggests problems with the validation of the SSL certificate of the remote (moodle.org) site. This is also a known problem in Moodle Windows 7 servers running the Moodle package for Windows. See SSL certificate for moodle.org for more info and possible solutions.
