Problem has been sorted, it was to do with the prosilver theme.cfg it was this option causeing the problem

parse_css_file = off.

anyway just thought I would post the solution

Hi there just installed this portal on my system, I also have the same problem. However If I select the subsilver theme everything is fine. I have deleted the cach via ftp and useing the system ACP Purge the cache. Please help!!! P.S. I have the following file located on my ftp /phpbb3/styles/prosil...