Solution:
1. Restart IIS
Open CMD run the following code:
ps: enter the corresponding directory based on .NET Framework version of the release site
4.0 C: \ Windows \ Microsoft.NET \ Framework \ v4.0.30319
3.5 version of C: \ Windows \ Microsoft.NET \ Framework \ v3.5
Version 2.0 C: \ Windows \ Microsoft.NET \ Framework \ v2.0.50727
As shown, in Example 4.0:
Restart IIS, as shown:
Enter the command iisreset / stop stop IIS
Enter the command iisreset / start to start IIS
2.web.config CI
<system.webServer>
<modules runAllManagedModulesForAllRequests="true" />
</system.webServer>