404 Please help

I have been showing 404 errors in google web master tools

i have deleted some pages earlier which are not needed

please help

 

You can remove it from the result pages with the URL removal tool in Google Webmaster Tools.

source: http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=164734

 

you can remove the page from the googlewebmaster tool, or robots.txt

 

there will be an option of adding URL which you want to remove from google search. It is present in webmaster tool. Login and add..

 

It takes some 24 hours time for delete 404 error pages.