How to Fix a 400 Bad Request Error

Learn how to resolve the 400 bad request error with five simple methods. Build your website with Hostinger web hosting today 👉 bit.ly/3VikKn0
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The 400 bad request error indicates that the request sent to the web server is corrupted or invalid. It can be caused by incorrect URL syntax, corrupted cookies or cache, DNS issues, or large file size. Watch this video to learn how to troubleshoot this error.
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🕒 Timestamps
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00:00 - Intro
00:46 - Causes of 400 Bad Request
How to Fix a 400 Bad Request Error
03:44 - Double Check the Domain Address
04:19 - Clear Browser Cache and Cookies
05:39 - Turn Off Browser Extensions
06:47 - Flush DNS Cache
08:52 - Check the File Size
09:39 - Outro
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The 400 bad request is an HTTP status code that indicates an error caused by an invalid request.
📌 Causes of 400 Bad Request
This error is mainly triggered by client-side issues. The common causes include:
👉 Corrupted or expired browser cache or cookies
👉 Wrong URL syntax
👉 Invalid DNS cache
👉 Large file size
📌 How to Fix a 400 Bad Request Error
In this video, we’ll show you how to fix a 400 bad request error using five easy-to-follow methods:
👉 Clear Browser Cache and Cookies
The steps will vary on different browsers. We’ll show how to do it on Google Chrome, Mozilla Firefox, and Safari.
👉 Double Check the Domain Address
See if there are any typos or extra characters in the domain address.
👉 Turn Off Browser Extensions
Browser extensions can potentially affect cookies and interfere with the requests you send to the web server. Disable all your extensions to see if one of them is causing the error.
👉 Flush DNS Cache
The steps will vary on different operating systems. In this video, we’ll guide you to solve 400 bad request error on Windows, macOS, and Google Chrome.
Here are the specific commands for various macOS versions:
🟣 macOS 11 Big Sur, 12 Monterey or 13 Ventura:
sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder
🟣 macOS 10.11 El Capitan, 10.12 Sierra, 10.13 High Sierra, 10.14 Mojave, or 10.15 Catalina:
sudo killall -HUP mDNSResponder
🟣 macOS 10.10 Yosemite:
sudo discoveryutil udnsflushcaches
🟣 macOS 10.7 Lion, 10.8 Mountain Lion, or 10.9 Mavericks:
sudo killall -HUP mDNSResponder
🟣 macOS 10.6 Snow Leopard:
sudo dscacheutil -flushcache
🟣 macOS 10.5 Leopard:
sudo lookupd -flushcache
For Google Chrome, use chrome://net-internals/#dns.
👉 Check the File Size
See if the file you want to upload fits the website’s upload limit.
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Thank you for watching! Let us know in the comments below if you have any questions. Good luck on your online journey. 🚀
#400badrequest #httperror400 #badrequesterror400 #HostingerAcademy

[@HostingerAcademy]

Build your website with Hostinger web hosting today 👉 bit.ly/3VikKn0 💥Use the discount code HA10 to get 10% OFF!

[@user-mz6gt2ut7b]

৪০০ 1:33

[@emmabbyreborns341]

This is a wonderful video. Clear, concise and helpful. Thank you so much.

[@Rvh1]

I tried all of these steps yet nothing is working. It keeps spitting out the Server error (400 error) I desperately need some help.

[@HostingerAcademy]

Hello 👋 We're sorry to hear that the solutions provided in the video did not help out! Drop us a message at [e-mail], and we'll try to figure it out together 👀

[@marcelinanoss8825]

thank you so much,, couldnt figure out what was wrong with my computer, every other site worked fine but one, and the clearing the cashe worked.. amazing,, thanks again! You explained it so well. New subscriber!

[@greenappy575]

Such a great help. Getting to learn new things . Thank you Victoria.

[@HostingerAcademy]

Glad it was helpful!

[@ThatLightNovelGuy]

Thanks for this. I recently changed to block 3rd Party Cookies on google Chrome, which started generating 400 requests when using KZbin. I changed to blocking in igcognito mode and fixed it. Sneaky.

[@elemenopixyz]

The extensions is the culprit! it really works! Thanks, I've watched so many vids. yet it doesn't fix my problem. But ur vid gosh I'm so thankful!

[@HostingerAcademy]

Glad to hear that it helped! 💜

[@SaurabhKumar-bz3cj]

Thank u ma'am Great help

[@sollyrose]

You saved me. 😭 I'm so bad with technology, that was really really helpful, tysm.

[@HostingerAcademy]

We're here for you! 💜

[@bubbleb0y]

Flushed dns. Thank you

[@DonovanPoole]

** I just fixed mine after going through all of these great steps. Finally I had a mini version of my desktop PC, so I switched computers and the Test program I needed to run worked. So if all else fails switch PC or update, switch, or delete and redownload your entire browser!

[@marilynflores4446]

hey i really need help, what If It’s on an app where you cant really do anything with the url???

[@muzammilkhilji5200]

Thanks

[@derrickpiche1119]

thankyou, hope it works.

[@user-fc8pl4ej4u]

Thanks it worked

[@jedx1924]

what about for mobile??

[@fungal285]

¡Muchas gracias!

[@HostingerAcademy]

De nada 💜

[@grotemuis4889]

Privacy and Security are two different tabs on my screen and from thereon nothing looks the same..... So far my desktop will not connect to the google mail. I uninstalled it and tried to re install it and all I get is "400 error because it is malformed". I have MAC Ventura so who knows what changed between December '23 and when this clip was posted.

[@HostingerAcademy]

Hi there! It seems like there might be some issues with the Privacy and Security settings affecting your Google Mail connection on your MAC Ventura. To address this "400 error because it is malformed" during reinstallation, you may want to check if there are any recent updates or changes to your operating system. Additionally, verify your Privacy and Security settings to ensure they align with Google Mail requirements. If the problem persists, reaching out to Google Mail support or your system administrator for further assistance might be beneficial in resolving the issue 💜

[@danielfreitas6044]

thanks a lot!

[@HostingerAcademy]

You're welcome!

[@INotSillyTV]

What about for FlipaClip?

[@user-mz6gt2ut7b]

0:53 0:55

[@giedriuspradkelis1249]

Nothing worked. I got this error on one website when was opening too many tabs. On other device(which is connected to the same network but has different ip this problem also exists. I tried to connect website from my mobile with vpn and i did it. However next time i was trying to visit this website again and i got same error.

[@HostingerAcademy]

Hey there, if the steps in this video didn't work, consider checking other methods in the written version of this tutorial: www.hostinger.com/tutorials/how-to-fix-400-bad-request-error 🙏🏻

[@manojgariya0366]

Hello, how to fix http 400 error intermittent in IIS with app login page

[@HostingerAcademy]

Hello! You might want to take a look at this article for fixing HTTP 400 errors in IIS: learn.microsoft.com/en-us/iis/troubleshoot/diagnosing-http-errors/troubleshooting-http-400-errors-in-iis

[@reward9ja625]

Am having this issue when am trying to extract my zip in hostinger file manager after uploading my zip file

[@HostingerAcademy]

Hello 👋 Drop us a message via live chat or email us at [e-mail], and we'll help you out! 💜

[@Rose-lf3gb]

Anyway to help on phone

[@garybridger9594]

what about G mail ?

[@HostingerAcademy]

Hey there! A 400 Bad Request error in Gmail is typically caused by an issue with your web browser, internet connection, or Gmail account. Here are some steps you can take to fix this error: - Clear your browser cache and cookies to resolve issues with website data that may be causing the error. - Try disabling any browser extensions you have installed and check if the error persists. - Ensure that your internet connection is stable and that you are not experiencing any network issues. - If the issue is specific to your Gmail account, try checking your Gmail settings for any misconfigurations or errors. You can also try logging out of your Gmail account and then logging back in to see if this resolves the issue. We hope it helps, but if you have any other questions, please write them here or send us an email at [e-mail] 🙏🏻

[@nurbalqiss7508]

@@HostingerAcademy hai can you help me, if bad request appear when it log in my bank app, how can i fix it?

[@user-MR.AMPOLBUNLNAP]

HTTP Status 400 - Bad Reques 0:15

[@HostingerAcademy]

Hello there 👋 If you'd prefer a written tutorial, you can check this one: www.hostinger.com/tutorials/how-to-fix-400-bad-request-error 🚀

[@me43079]

Still I'm facing the error 404

[@HostingerAcademy]

Hello! We're sorry to hear that the solutions provided in the video did not help out. Drop us a message at [e-mail], and we'll try to figure it out together 🙏

[@LittleMoonz]

Kitna bakwas karti hai, direct bol

[@topgchannel2]

this didnt help me you earn a dislike

[@abdelrahmanessam3790]

cry about it