Hi,
first sorry for my english I'm from Indonesia
i've installed !joomlacomment 3.26 monts ago. it's work perfectly. some visitor already left comment, and it's ok.
i don't know since when i got trouble with captcha image. it doesn't appear. i've try to reinstall the component but still no image. i've read many thread in this forum, but it's not solved yet.
this i get from error log:

[error] [client 125.164.101.130] Premature end of script headers: /.../.../public_html/components/com_comment/joscomment/captcha.php
SoftException in Application.cpp:544: Directory "/.../.../public_html/components" is writeable by group

i've try to change file permission to 755, also 644, both doesnt solve my porblem
help me please..

this my link : http://www.yapibangil.org

thx b4