Thanks for the prompt reply...

The whole issue description is:

It seems that the reason you are getting banned is because the Mod_Security thinks that you are trying to use an exploit against your own site.
This is because of the URLs that your website uses, such as: http://www.all-w.org/showthread.php?47435-Black-Swan-(2010)
Not only is that URL not SEO friendly, but also seems to be causing you to trigger the mod_security rules.

f you change the way your website outputs URLS, you may be able to solve this problem.
This is all I have...

Thanks again...