Windows 10 HTTP Error 500.21, win10500.21

Windows 10 HTTP Error 500.21, win10500.21

Error description:

HTTPError500.21-Internal Server Error

The handler "ExtensionlessUrlHandler-Integrated-4.0" has an error module "ManagedPipelineHandler" in its module list

 

Run the following command as an administrator to register:

32-bit machine:

C: \ Windows \ Microsoft. NET \ Framework \ v4.0.30319 \ aspnet_regiis.exe-I

64-bit machine:

C: \ Windows \ Microsoft. NET \ Framework64 \ v4.0.30319 \ aspnet_regiis.exe-I

 

Note: cmd.exe must be started as an administrator.

Find cmd.exe under c: \ windows \ system32, right-click the administrator, and enter the preceding command.

 

After running, if the following problem occurs in cmd:

Start installing ASP. NET (4.0.30319.0 ).

This option is not supported in this operating system version. The Administrator should install/uninstall ASP. NET 4.5 containing iis8. For more details, see http://go.microsoft.com/fwlink? LinkID = 216771.

ASP. NET (4.0.30319.0) installation is complete.

 

Solution:

Control Panel-programs and functions-start or Disable windows functions-Internet Information services-World Wide Web services-application development functions

Check:

1. ASP. NET 3.5

(2) ASP. NET 4.6

3. ISAPI extension

4. ISAPI filter

5... NET Extensibility 3.5

6.. NET Extensibility 4.6

 

You can view the configured URL.