A 404 error is a website couldn't be found on their server. But error 404 means that page you we're trying to find was corrupted.
Computers get the Error 404 message all the time because users are trying to access websites or locations that no longer exist. Thus the Error 404 appears.
404 Error Not Found - 2011 is rated/received certificates of: Singapore:PG
Error 404 Means: "File Not Found"
You can't do anything. 404 error means page not found.
Error 404 is not specific to Neopets. It simply means that whatever page you tried to access (or search for) does not exist.
That's going to depend on what's causing the error. Is it a wordpress 404, or a server 404? If it's a server 404, something isn't instaled correctly. If it's a wordpress 404, you'll likely need to change your permalink to the item you're looking for.
You cannot
It is not possible to eliminate http 404 errors from an XP system or on any other operating system. A 404 error generally means there is something wrong with the server you are trying to reach and not your computer.
It means the page was not found.
It means the URL of the website was not found
Error 404