Many tMany different errors can be fixed by simply running a .NET repair. Performing a .NET Repair will vary based on what version of Windows Server you’re running.
- Open command prompt as an administrator
- Run the command: iireset /stop
- Browse to C:\Windows\Microsoft.NET\FrameworkFramework64\v4.0.30319\Temporary ASP.NET Files in the windows files explorer
- Clear the temp files in this location that pertain to Smart SearchGlobalSearch
- Run the command iisreset /start