A couple of months ago I launched a wordpress theme based article directory . As the Excretory was instant approval there were a few keywoord stuffed article too . with this recent update Google Sent me this msg on my webmaster tool , and removed all my indexed pages from the database . " Google Webmaster Tools: Quality Issues on http://www.osrarticles.com Dear site owner or webmaster of http://www.osrarticles.com/,We've detected that some of your site's pages may be using techniques that are outside Google's Webmaster Guidelines. If you have any questions about how to resolve this issue, please see ourWebmaster Help Forum for support.Sincerely,Google Search Quality Team " Please help me now what should i do .. I already removed all the spammy posts from the site
It seems that you have been penalized for recent Google algorithm update - Google penguin Penalty. Search on google to know more about it.
I suggest you must go through the quality guidelines by Google. It will help you to understand where did you made mistakes.