com_content won't accept or recognise text - Joomla! Forum - community, help and support

i using j1.5.14 , have problem com_content component not accepting text in body. have menu link on user menu starts new article page. after entering text or pasting text , selecting category etc click save , error message "article must have text".
the following user menu link submit new article
http://www.xxxxx.xxxxxxxxxx.xxx.xx/inde ... &itemid=51

if go room , select article manager new , after filling out details in spaces article gets saved without problem.problem description:
the com_content component not taking text.

i have used jts-post : joomla! forum post assistant : v1.0.1 (f) generate following report.

[size=90]problem description:
the com_content component not taking text.

log/error message:

article must have text

diagnostic information
joomla! version: joomla! 1.5.14 stable [ wojmamni ama naiki ] 30-july-2009 23:00 gmt
configuration.php: not writable (mode: 444 ) | rg_emulation: n/a
architecture/platform: windows nt 5.2 ( i586) | web server: microsoft-iis/6.0 ( www.rural.unitingchurch.org.au ) | php version: 5.2.6
php requirements: register_globals: disabled | magic_quotes_gpc: enabled | safe_mode: disabled | mysql support: yes | xml support: yes | zlib support: yes
mbstring support (1.5): yes | iconv support (1.5): yes | save.session_path: writable | max.execution time: 60 seconds | file uploads: enabled
mysql version: 5.0.51b-community-nt ( localhost via tcp/ip )

extended information:
sef: disabled (without rewrite) | ftp layer: disabled | htaccess: not implemented
php/suexec: user , web server accounts not same. (php/suexec not installed)
php environment: api: cgi-fcgi | mysqli: yes | max. memory: 256m | max. upload size: 64m | max. post size: 32m | max. input time: 600 | zend version: 2.2.0
disabled functions:
mysql client: 5.0.51a ( latin1 )