HTTP error 400 is otherwise known as Bad Request error. You may come across this error notification when you enter an incorrect URL in your browser’s address bar. As a result, your browser makes a bad request with the server. This error represents complicated relationships between web application, web server, client, and several third-party web services.

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In this article, we will show you how you can fix this issue quickly.

Switch Browsers

Switching to another browser is one of the fastest methods to fix some errors. We suggest you use the Opera browser. It is one of the most accessible browsers that gives more benefits than Firefox, Chrome, or others.

Clear Cookies

Duplicate or invalid cookies can cause HTTP Error 400. If you are getting this error code, you need to check cookies related to the application or site causing this issue.

Here we will show you how you can clear cookies and cache when using Microsoft Edge, Google Chrome, or Firefox.

Microsoft Edge

Here are the steps to follow:

1. Launch Microsoft Edge.
2. Select “Hub” and click “History.”
3. Click “Clear all history.”
4. Select what you want to delete or remove, then click “Clear.”
5. Click “Change what Microsoft Edge knows about me in the cloud” and then select “Clear browsing history” to clear the cloud browsing history when you are using Cortana.

Google Chrome

Here are the steps to follow:

1. Launch Google Chrome and go to “More.”
2. Select “More tools.”
3. Click “Clear browsing data.”
4. Select the time range.
5. Click “All time” to delete your entire history.
6. Select both “Cookies & other site data” and click “Cached image and files.”
7. Select “Clear data.”

Firefox

Here are the steps to follow:

1. Select “Menu” and then click “Option.”
2. Select “Privacy and Security.”
3. Click on “Cookies and Site Data.”
4. Select the “Manage Data” option.
5. In the search field, type the name of your site that you wish to delete cookies for.
6. Select “Remove all” to delete all cookies and storage data. You can also click on “Remove Selected” to remove a few items.
7. Select save changes.
8. When the site’s data and cookies confirmation message popup on your screen, select Remove.

Check URL

Sometimes this error appears on your screen when you enter an incorrect or incomplete URL, so first, you need to check your URL is correct. You need to check spelling, path, and cases, fragment portions, and query after domain names and make sure they are correct.

Upload Smaller Files

Error HTTP 400 may appear when you are uploading huge files. To fix this issue, you need to upload small files and check for improvements.

Reset Browser

Here are the steps to follow:

1. Launch Google Chrome.
2. Select “More.”
3. Select “Settings.”
4. Select “Advanced.”
5. Select “Reset” in the reset option.
6. Now you need to confirm by tapping the “Reset Settings” button.

In the above article, we have mentioned five possible solutions to fix HTTP Error 400 in Windows 10. We hope that the solutions discussed above will help you resolve this issue.