Dear All, I'm having same issue with the installation of XF on a Cpanel. It's on a brand new 1.1.1 installation. I've all requirements, log rotation enabled, disable suphp and so on. A Premature end of script headers is still occuring in my error_log. I've searched all over the internet and found some solutions, which didn't fix the issue. Here are them for the record : - Enable the Apache log Rotation to avoid 2GB and more logs. Done, not fixing. - Suphp may cause the issue. I've rebuild Apache without it. Not fixing. - Checking permission. I've chmod everything as either 755 or 644. Not fixing. Any help ?