We have resolved the Video Chat crash and updated with our latest Server version (V1.2.0) & Client version (V1.2.0).
Hence please download the latest Server and Client versions from the following ‘Downloads’ page and update.
http://www.outputmessenger.com/lan-messenger-downloads/
Steps to Update Server:
1. Stop Output Messenger Server Service, if it is running.
2. Exit Output Messenger Server Manager Tool, if it is running.
3. Install new updated Server over existing version
4. Start the Service.
Steps to Update Client:
1. Exit Output Messenger, if it is running.
2. Run the installer in Client or push MSI installer using Windows Group Policy.
Thanks for your patience.