That's why because your website content may have violated their guidelines. It will be better if you provide your website address so that I can have a look at the content.

The Adsense terms and conditions should detail Unacceptable site content, such content might include obscene or offensive (****), illegal: like "how to hack instructions" or warez. I assume too much other advertisement would get a different rejection note.

sometimes your website may contain some unacceptable content. Find the post containing that connetent and delete that. Then resubmit your application at www.google.com/adsense

Your site content should be qualitative and fresh for Adsense ...

Without seeing your site we can't say anything.

As mentioned in our welcome email, we conduct a second review of your

AdSense application once AdSense code is placed on your site(s). As a

result of this review, we have disapproved your account for the following

violation(s):

Issues:

- Unacceptable site content

explain breifly please