Warning! Problem updating https://[host]/[blabla]. Your server may not be able to connect to sites running on it. Error message: Peer certificate cannot be authenticated with known CA certificates is ...
I just upgraded a WordPress Network from 3.4.2 to 3.5.1. I went to Update Network (/wp-admin/network/upgrade.php), upon suggestion of the prompts. After hitting the Update Network button, I get this ...
When trying to update one Network/MU install, I got the following error. Warning! Problem updating https://subdomain-A.example.com. Your server may not be able to connect to sites running on it. ...