How to Resolve an Http 400 Bad Request Error

 

Do you know what causes the “http 400 bad request” error?

Better know about the reason of this error, then it wil be easier to resolve it. Http 400 bad request error usually appears when you use a web browser. If the URL you are trying to visit has another set of “HTTPs”, this error message always occurs on your computer. 

 

Let’s see how to fix the  ”http 400 bad request” error!

Method 1:

1. Download and install .NET Framework 1.1 Service Pack 1 from below link:
2. http://download.microsoft.com/download/8/b/4/8b4addd8-e957-4dea-bdb8-c4e00af5b94b/NDP1.1sp1-KB867460-X86.exe
3. Click ”Start“, then click ”Run” and type in the command “regedit.”  Wait for the Registry Editor to load.
4. Go to “Edit“ then “Find.” Type “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ASP.NET” and press “Enter.”
5. Right-click on the file name “VerificationCompatibility” when it loads. Select “Modify.”
6. Type “1” for the “ValueData” and press “OK.” Close the windows and restart your PC.

 

Method 2:

If your problem still exists or you want to try an easier and faster way, please try this registry cleaner tool. Many of my friends use this tool to repair their computer problems. It will repair your error in just a few steps. I think it can help you a lot. Please follow below instruction:

1. Download and install this tool by clicking  registry cleaner.
2. After installation, please start the tool. And on the interface, click Scan button.
3. After scan, click Repair All button.
4. Then you will find the http 400 bad request error is missing.