Failed to execute request because the App-Domain could not be created.
1. “Failed to initialize the AppDomain:/LM/W3SVC/1/ROOT”
2. “Failed to execute request because the App-Domain could not be created. Error: 0x80131902”
To fix it, try the following this step :
1. With a command window, get to the latest version of .net under
2. C:\Windows\Microsoft.Net\Framework\
3. Now run the following command: “net stop w3svc” to stop web services.
4. Then use “aspnet_regiis.exe -ua” to uninstall all instances of ASP.NET from IIS.
5. Follow with “aspnet_regiis.exe -i” to install ASP.NET into IIS.
6. Now restart web services with “net start w3svc”.