How To Get Rid Of Illogical 404 Errors

If you’ve ever tried to reach a site that you know is working, only to get repeated 404 errors, then you understand how frustrating it can be. If this happens to you a lot, then you may need to flush your computer’s DNS. Doing this will remove the faulty entry from your computer’s cache so that the new and correct one can be used.

Flushing DNS In Windows

After closing all of your web browser windows and other applications on your computer, open the command prompt by going to the Start menu and then choosing “Run”. When the dialog box pops up, type ‘cmd’ (without the apostrophes). Once you are at the command prompt, enter ‘ipconfig /flushdns’ (without the apostrophes), and then hit the enter key. You should receive a message saying that the DNS was flushed successfully.

Flushing DNS in Mac OS X Lion

Exit Mozilla Firefox if it’s open on your computer. After opening the terminal, enter this command: dscacheutil –flushcache Flushing DNS in Mac OS X Tiger Once you’ve exited any instances of Mozilla Firefox, open the terminal and enter the following command: lookupd –flushcache