I have been running a CRE Loaded shopping cart since January, and everything was functioning until about a month ago when at around the same time my host upgraded to PHP5 and also installed an SSL certificate for me.
Now, I get sporadic internal server errors when accessing the site. Sometimes it will load perfectly, other times I won't be able to access any pages within the shopping site. It can happen on any page, whether in the shop or in the admin panel. It has been getting much worse within the past 5 days.
HOST: Network Solutions
CART: CRE Loaded 6.2 Standard, SP 13.1
MODS: Chemo's SEO URLs, dynamic Sitemap, gzip compression, GiftWrap
Server OS: Linux 220.127.116.11-NETSOL
Database: MySQL 5.0.45
HTTP Server: Apache/2.2.8 (Unix) FrontPage/18.104.22.16835
PHP Version: 5.2.5-dev (Zend: 2.2.0)
When I look at my error logs, I see a lot of these "Premature end of script headers: index.php" with varying file names.
I really don't know how to proceed to diagnose this problem. If someone could help me walk through the process I'd be eternally grateful!
Also, I'm not sure if this is related but my site is recognizing only three distinct IPS in AWStats and my CRE Loaded admin panel (the Who's Online function), despite having had around 600 unique visitors. This also started when the SSL certificate was installed by Network Solutions.