Have you upgraded to Opencart 1.5
Versions: v18.104.22.168 v22.214.171.124 v126.96.36.199 v1.5.0
I had problems getting the SEO Friendly URLS to work on my Opencart 188.8.131.52 install, after looking in the HTACCESS file I found this:
The fix to make the SEO Friendly URLS – MOD REWRITE work change that line to:
Basically just remove the opencart/upload/ part!
There we go! Problem Solved!”
Alternatively if you’re unsure about editing files, simply upload the .htaccess file saved here, tested on the OpenCart versions 184.108.40.206 and below:
Are you looking to get your OpenCart Store ranked in google? contact: firstname.lastname@example.org and we will discuss your OpenCart SEO Needs!