An unexpected error occurred
Error Message
An unexpected error occurred.
Background
You might get this error message upon launching OMBEA Response. The cause is related to a Microsoft bug and is easily fixed.
Solution
- Download and run the Microsoft .NET Framework Repair Tool.
- Apply this Microsoft patch: June 18, 2019 - KB4503864 Cumulative Update for .NET Framework 3.5, 4.7.2, 4.8 for Windows 10, version 1809 and Windows Server 2019.