Skip to content
The Guidebook
  • Walk
  • Run
  • Fly
  • Help
Menu
  • Walk
  • Run
  • Fly
  • Help

Help

    • System Requirements
    • Hardware Specifications
    • Advanced Installation Instructions for MSI files
    • Cleaning your Hardware
    • ResponsePad Battery Changes
    • Missing OMBEA Response Ribbon
    • PowerPoint does not close
    • OMBEA Response is being blocked
    • An unexpected error occurred
    • Callback Function Error
    • Video Playback Errors with PowerPoint
    • Send your log files
    • Check and Remove Conflicting Add-Ins
    • Restoring Lost Voting Data from Backup Files
    • Erratic Chart Scaling
    • Desktop Office vs Microsoft Store Office
    • Voters cannot join ResponseApp session
    • Microsoft Office … must be installed before OMBEA Response is started.
    • Excel Windows Open and Close Automatically When Adding or Updating a Chart
    • ResponseLink and ResponsePad Troubleshooting
    • How to Speed up ResponsePad Voting
    • Slow software
    • Troubleshooting ResponsePad and ResponseLink Interference
  1. help /
  2. Software Errors

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

  1. Download and run the Microsoft .NET Framework Repair Tool.
  2. 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.

On this page

  1. Error Message
  2. Background
  3. Solution
Previous: OMBEA Response is being blocked Next: Callback Function Error
OMBEA

    Jump to a section

    • Walk
    • Run
    • Fly
    • Help
    to move to open esc to close