When I click on a link from a page, or enter a URL that a friend gave me into the location bar I get HTTP Error 404 – what does that mean?
Basically, it means that the file or resource you are requesting cannot be found by the remote server. The first thing to do is to check to make sure that you have typed the URL correctly. The smallest mistypings can make a difference between success or failure. Getting 404 errors from links obtained via search engines is unfortunately common, a phenomenon known humorously as link rot, where the search engine is not updated as frequently as page locations, or pages are removed from a server but the search engine links remain until they expire in perhaps 6 months time. Sometimes a browser will report an HTTP 404 error, when a browser on a different system will bring up a resource at that address. This is particularly common with older browsers, such as Microsoft Explorer version 2 and Netscape Navigator version 2, which do not understand redirections and other new features introduced into later revisions of the Hypertext Transfer Protocol. The “file not found” error reported by these br
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