404 Errors...What to do?

Hi, im having a lot of 404 errors...what will i do to fix it? any plugin that needs to be installed on my wordpress site?

You may want to use this plugin. It detects 404s and then you can manually fix them.

http://wordpress.org/extend/plugins/tentblogger-404-repair/

Here's another cool plugin. For every 404 error, the plugin will search for related content matching the keywords in the requested URL and then redirect to a related post if possible.

http://wordpress.org/extend/plugins/smart-404/

Thanks, i will try the smart-404