Show
The 400 Bad Request error is an HTTP status code that means that the request you sent to the website server, often something simple like a request to load a web page, was somehow incorrect or corrupted and the server couldn't understand it. The 400 Bad Request error is often caused by entering or pasting the wrong URL in the address window but there are some other relatively common causes as well. 400 Bad Request errors, like all errors of this type, could be seen in any operating system and in any browser. 400 Bad Request Errors400 Bad Request errors appear differently on different websites, so you may see something from the short list below instead of just 400 or another simple variant like that:
The 400 Bad Request error displays inside the internet web browser window, just as web pages do. How to Fix the 400 Bad Request Error
More Ways You Might See a 400 ErrorIn Internet Explorer, The webpage cannot be found message indicates a 400 Bad Request error. The IE title bar will say HTTP 400 Bad Request or something very similar to that. Windows Update can also report HTTP 400 errors but they display as error code 0x80244016 or with the message WU_E_PT_HTTP_STATUS_BAD_REQUEST. A 400 error that's reported for a link within a Microsoft Office application will often appear as a The remote server returned an error: (400) Bad Request. message within a small pop-up window. Web servers running Microsoft IIS often give more specific information about the cause of a 400 Bad Request error by suffixing a number after the 400, as in HTTP Error 400.1 - Bad Request, which means Invalid Destination Header. Here's a complete list:
Errors Like 400 Bad RequestA number of other browser errors are also client-side errors and so are at least somewhat related to the 400 Bad Request error. Some include 401 Unauthorized, 403 Forbidden, 404 Not Found, and 408 Request Timeout. Server-side HTTP status codes also exist and always start with 5 instead of 4. You can see all of them in our HTTP Status Code Errors list. FAQ
Thanks for letting us know! What is a bad response from the browser?Response from the browser could be shown like this: Bad Request Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit. This is normally caused by having a very large Cookie, so a request header field exceeded the limit set for Web Server.
What does it mean when a website says Bad Request?Problem When you attempt to access a website, you may sometimes instead receive a "Bad Request" error message where the website content should have loaded. This error often contains the number "400" and may include additional text, such as "Your browser sent a request that this server could not understand.
Why does my website keep crashing when I make a request?It might be your load balancer tampers with the request data and forwards it in a way your app server does not understand. Illegal UTF-8 or truncated headers are likely candidates...
What should I do if my website URL is incorrect?First, check the website URL you entered to make sure it is correct. If the web address appears to be entered correctly, then the issue can usually be resolved by clearing your browser's cache and cookies. For instructions on performing these steps, click on the appropriate link for the web browser you are using:
How do you fix this error your browser sent a request that this server could not understand size of a request header field exceeds server limit?Chosen solution
This issue can be caused by corrupted cookies. Clear the cache and remove the cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences). "Clear the cache: Options/Preferences -> Privacy & Security -> Cached Web Content: "Clear Now"
How do you fix bad request your browser sent a request that this server could not understand Chrome?How to Fix 400 Bad Request Error. Check the Submitted URL.. Clear Browser Cache.. Clear Browser Cookies.. File Upload Exceeds Server Limit.. Clear DNS Cache.. Deactivate Browser Extensions.. Why does my browser keep saying bad request?Some common causes of the 400 bad request error are: Malformed URL syntax – the URL may contain invalid characters such as {, }, [, or ]. A wrongly encoded URL can also contain wrongly used ASCII characters, such as double percentage characters. Large file size – websites have a file upload limit.
How do I fix Google error 400?How to fix a 400 Bad Request?. Recheck the URL. Since a malformed URL is the most common cause of the 400 Bad Request error, make sure there are no typing or syntax errors in your URL. ... . Check your internet connection. ... . Clear browser cookies. ... . Clear DNS Cache. ... . Compress the file. ... . Deactivate browser extensions. ... . Restart your system.. |