UGS - autoupdate from Horde - exception

Steps to Reproduce

  1. Build UGS installer with specified default HordeUrl in Deployment.json
  2. Install this UGS on PC (or reset horde registry values)
  3. Run UGS (UpdateSettingsWindow should appear. Or run with -settings argument)
  4. Ensure that Horde radio button is selected and Server field is filled with same url as specified in Deployment.json
  5. Click continue button (exception should apper)