Thanks for ignoring this issue. Not impressed with the level of support regarding this at all. I'm bringing this one up again because it's happening with your latest release of 4.0.18. PLEASE do something about this, as it's clearly a bug in your software.
Debug log information:
2011-01-04 20:04:03.100 [NOTICE] [xx.xx.xx.xx:3182-0#APVH_domain.com] Content len: 0, Request line: 'GET /about/ HTTP/1.1'
2011-01-04 20:04:03.100 [DEBUG] [xx.xx.xx.xx:3182-0#APVH_domain.com] Find context with URI: [/], location: [/home/path/public_html/domain.com/]
2011-01-04 20:04:03.100 [DEBUG] [HTAccess] Updating configuration file [/home/path/public_html/domain.com/.htaccess]
2011-01-04 20:04:03.100 [DEBUG] [HTAccess] No change in configuration file [/home/path/public_html/domain.com/.htaccess].
2011-01-04 20:04:03.100 [DEBUG] [xx.xx.xx.xx:3182-0#APVH_domain.com] Find .htaccess context with URI: [/], location: [/home/path/public_html/domain.com/]
2011-01-04 20:04:03.100 [DEBUG] [xx.xx.xx.xx:3182-0#APVH_domain.com] [REWRITE] Rewrite engine is not enabled for context '/'
2011-01-04 20:04:03.100 [INFO] [xx.xx.xx.xx:3182-0#APVH_domain.com] File not found [/home/path/public_html/domain.com/about/]
So, rewrites aren't working. What is "Rewrite engine is not enabled for context '/'"?