Occasionally you may get a 400 Bad Request error from your web browser. Here's all you need to know about that error.

Almost always, the 400 Bad Request error simply means there's a problem on the website you're trying to reach. All you can do is try to reload (F5) the webpage and see if it works the second time. If not, try again in a little while.

Every website, depending on your web browser, the problem, and the software being used to host said website, could return some variations of the 400 Bad Request error, including:

400 Bad Request

Bad Request. Your browser sent a request that this server could not understand.

Bad Request - Invalid URL

HTTP Error 400 - Bad Request

Bad Request: Error 400

HTTP Error 400. The request hostname is invalid.

400 - Bad request. The request could not be understood by the server due to malformed syntax. The client should not repeat the request without modifications.

If you think the problem is on your end, there are a few things you can try.

1: If you typed in the website address yourself be sure you typed it correctly.

2: Clear the cookies in your browser or use Storage Sense.

3: Outdated DNS records on your computer can also be a problem, so consider clearing your DNS cache.

4: If the problem occurred on a website or web page you've visited before, you might have a corrupt copy of the webpage. Try flushing the Windows DNS cache.

While there are a couple of other longshots, odds are the problem isn't on your end.

Similar:

How to Make Google Chrome and Mozilla Firefox Run Like New Again
How to Reset or Repair Google Chrome, Mozilla Firefox or Microsoft Edge

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