Not a valid executable -error

[tininho]

Server is working flawlessly other than this annoying and repeating error:

2011-06-04 02:36:57.244 ERROR [/usr/local/lsws/bin/httpd] is not a valid executable.
2011-06-04 02:36:58.539 ERROR [/usr/local/lsws/bin/httpd] is not a valid executable.
2011-06-04 02:50:03.466 ERROR [/usr/local/lsws/bin/httpd] is not a valid executable.
2011-06-04 03:11:51.370 ERROR [/usr/local/lsws/bin/httpd] is not a valid executable.
2011-06-04 03:11:51.678 ERROR [/usr/local/lsws/bin/httpd] is not a valid executable.
2011-06-04 03:15:55.086 ERROR [/usr/local/lsws/bin/httpd] is not a valid executable.
2011-06-04 03:15:55.508 ERROR [/usr/local/lsws/bin/httpd] is not a valid executable.

What is going on?

 

[webizen]

paste here the result (from command line) of

ls -ld /usr/local/lsws/bin
ls -l /usr/local/lsws/bin